This Week in Virology

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TWiV is a weekly netcast about viruses - the kind that make you sick. Brought to you by four university professors and a science writer.

Vincent Racaniello


    • Jun 26, 2022 LATEST EPISODE
    • weekdays NEW EPISODES
    • 1h 32m AVG DURATION
    • 935 EPISODES


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    Latest episodes from This Week in Virology

    TWiV 913: Twinkle twinkle little SARS

    Play Episode Listen Later Jun 26, 2022 116:54

    TWiV explains the meaning of vaccine-derived poliovirus found in London sewage, risk of long COVID after infections with Delta or Omicron variants of SARS-CoV-2, and enhancers of innate immune signaling as broad-spectrum antivirals. Hosts: Vincent Racaniello, Dickson Despommier, Alan Dove, Rich Condit, and Kathy Spindler. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Poliovirus in UK sewage (ProMedMail and Science) Poliovirus eradication effort (Science) Long COVID after Delta and Omicron (Lancet) How common is long COVID? (Nature) Immune enhancers as antivirals (Cell Chem Biol) Letters read on TWiV 913 Timestamps by Jolene. Thanks! Weekly Picks Dickson – Count Basie: April in Paris Kathy – Bird aerodynamics & inertia: lay article, video, Nature Rich – NASA Gateway (Thanks Ellis) Alan – Polio Eradication in Nigeria Vincent – The Tyranny of Merit by Michael J. Sandel Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 912: COVID-19 clinical update #120 with Dr. Daniel Griffin

    Play Episode Listen Later Jun 25, 2022 45:07

    In COVID-19 clinical update #120, Dr. Griffin discusses outcomes of SARS-CoV-2 reinfection, CDC recommendation for vaccines in young children, neurodevelopment outcomes in infants of mothers testing positive for COVID during pregnancy, efficacy of monoclonal antibodies and antivirals in hamsters, rebound phenomenon after PAXLOVID in high-risk persons, hospitalization for infection after PAXLOVID treatment, and risk of long COVID with different variants. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Reinfection outcomes (Research Square) CDC recommends vaccine for young children (CDC) Neurodevelopment outcomes in infants post-infection (JAMA) Efficacy of monoclonal antibodies/antivirals in hamsters (Nature) PAXLOVID patient eligibility screening checklist (FDA) Remdesivir fact sheet for providers (Veklury)  Bebtelovimab fact sheet for providers (FDA) PAXLOVID drug interaction checker  Rebound phenomenon after PAXLOVID in high-risk persons (IDSA) Hospitalization for infection after PAXLOVID treatment (CDC) Risk of post acute infection with different variants (the Lancet) Contribute to FIMRC fundraiser at PWB Dr. Griffin's treatment guide (pdf) Letters read on TWiV 912 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 911: Antibody can get vaccinated now

    Play Episode Listen Later Jun 19, 2022 114:41

    TWiV provides an update on hepatitis of unknown etiology in children, an experimental nanoparticle vaccine for Epstein-Barr virus, and minimal impact of bamlanivimab therapy on antiviral antibodies induced by vaccination. Hosts: Vincent Racaniello, Rich Condit, Kathy Spindler, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Hepatitis of unknown etiology (MMWR) Clinical recognition of monkeypox (CDC) Epstein-Barr virus nanoparticle vaccine (Cell Rep Med) Minimal impact of mAb therapy on COVID vaccine induced antibodies (Sci Trans Med) Letters read on TWiV 911 Timestamps by Jolene. Thanks! Weekly Picks Brianne – A Frog So Small, It Could Not Frog Kathy – A Grand Night In: The Story of Aardman Rich – Archive Vincent – Bandwagoning by Heran Darwin Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 910: COVID-19 clinical update #119 with Dr. Daniel Griffin

    Play Episode Listen Later Jun 18, 2022 46:42

    In COVID-19 clinical update #119, Dr. Griffin reviews tixagevimab for infection prevention, ivermectin for outpatient infection treatment, symptom rebound after PAXLOVID treatment, bamlanivimab minimally impacting immune response to vaccination, in-hospital mortality among infection patients, residual viral antigen in patients following infection, usage of Casirvimab/Imdevimab and Remdesivir in infected patients with depleted B-cells, and rheumatic symptoms following infection. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Tixagevimab-Cilgavimab for infection prevention (NEJM) Ivermectin for outpatient infection treatment (medRxiv) Symptom rebound after PAXLOVID treatment (IDSA) Bamlanivimab minimally impacts immune response to vaccination (Sci Transl Med) In-hospital morality among infected patients (IDSA) Casirvimab/Imdevimab & Remdesivir for infected B-cell depleted patients (IDSA) PAXLOVID patient eligibility screening checklist (FDA) Remdesivir fact sheet for providers (Veklury)  Bebtelovimab fact sheet for providers (FDA) Residual viral antigen in patients post infection (IDSA) Rheumatic symptoms following infection (IDSA) Contribute to FIMRC fundraiser at PWB Dr. Griffin's treatment guide (pdf) Letters read on TWiV 910 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 909: Art of science

    Play Episode Listen Later Jun 16, 2022 47:21

    From ASM Microbe 2022 in Washington DC, Vincent and Michael speak with science artists Michele Banks and Jane Hartman about their work and their inspiration. Hosts: Vincent Racaniello and Michael Schmidt Guests: Michele Banks and Jane Hartman Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Trilobite Glassworks (Jane Hartman) Artologica (Michele Banks) Science art with Michele Banks (TWiV 352) Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 907: When the cats and mice are away, the viruses play

    Play Episode Listen Later Jun 12, 2022 104:49

    TWiV discusses the situation with monkeypox, risk factors for SARS-CoV-2 infections of cats and dogs, and a lineage-tracing mouse model for studying papillomavirus infections. Hosts: Vincent Racaniello, Rich Condit, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Monkeypox update (CDC) SARS-CoV-2 infection of cats and dogs (Emerg Inf Dis) Mouse papillomavirus identification (Vet Patrol) Mouse model for papillomavirus infection (eLife) Vincent interviews Harald zur Hausen (virology blog) Letters read on TWiV 907 Timestamps by Jolene. Thanks! Weekly Picks Brianne – Microbes Rule! at Liberty Science Center Rich – Artemis I update:  Mission diagram, mission in photos, launch dates Vincent – Eco-sustainable 3D printed house – Tecla Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 908: COVID-19 clinical update #118 with Dr. Daniel Griffin

    Play Episode Listen Later Jun 11, 2022 46:23

    In COVID-19 clinical update #118, Dr. Griffin discusses management of hair loss after infection, FDA announcements on vaccine schedule and recommendations, Moderna announcement on bivalent booster candidate, association between vaccination and infection during pregnancy, population-level implications of Israel's booster campaign, PAXLOVID outcomes during recent infection surge, efficacy and safety of Tixagevimab-cilgavimab, diagnostic accuracy of infection by canines, efficacy of colchicine in hospitalized patients, and factors associated with hospital readmission.   Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Management of hair loss after infection (NIH) FDA announces vaccine schedule meeting (FDA) FDA advisory committee recommends NOVAVAX vaccine (Novavax) Moderna announces bivalent booster candidate (Moderna) Association of vaccination and infection during pregnancy (JAMA) Implications of Israeli booster campaign (Science Translational Medicine) PAXLOVID patient eligibility screening checklist (FDA) Remdesivir fact sheet for providers (Veklury)  Bebtelovimab fact sheet for providers (FDA) PAXLOVID outcomes during infection surge (Research Square) Efficacy and safety of Tixagevimab–cilgavimab (The Lancet) Diagnostic accuracy of infection by canines (PLOS ONE) Efficacy of colchicine in hospitalized patients (Nature) Factors associated with readmission (IDSA)  Contribute to FIMRC fundraiser at PWB Dr. Griffin's treatment guide (pdf) Letters read on TWiV 908 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 906: Long COVID, giant viruses, and smallish pox

    Play Episode Listen Later Jun 5, 2022 106:11

    TWiV reviews human monkeypox infections, evidence for human Mimivrus infections, and incidence of long COVID in post-vaccine SARS-CoV-2 infections. Hosts: Vincent Racaniello, Dickson Despommier, Rich Condit, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Monkeypox update (ProMedMail) Multi-country monkeypox outbreak (WHO) Monkeypox new global threat (Science) Monkeypox outbreak 9 US states (MMWR) Mimivirus in human respiratory samples (Sci Rep) Long COVID after post-vaccination infection (Nat Med) Letters read on TWiV 906 Timestamps by Jolene. Thanks! Weekly Picks Dickson – Lake Mead water level very low Brianne – Transplantation of a 3D printed ear made out of human cells Rich – nderstanding Vaccine Safety and the Roles of the FDA and the CDC and The Facts About Vaccine Safety Vincent – My new favorite backpack Listener Pick Greg – Against the Rules Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 905: COVID-19 clinical update #117 with Dr. Daniel Griffin

    Play Episode Listen Later Jun 4, 2022 44:24

    In COVID-19 clinical update #117, Dr. Griffin discusses duration of virus shedding, association between pre-exposure to steroids and infection outcome, post-infection subtypes, rehabilitation for post-acute infection, Tixagevimab/Cilgavimab for infection prevention, antibody prophylaxis and vaccination in kidney transplant recipients, remdesivir and bebtelovimab fact sheets for providers, the updated guidelines on treatment with Famotidine, Paxlovid rebound symptom characterizations, antigen test positivity duration, viral dynamics of variants and isolation, association of inflammation in CS fluid, and transmission dynamics in Ghana. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Duration of virus shedding (NIH) Association between pre-exposure to steroids and infection outcome (CMI) Post-infection subtypes (medRxiv) Rehabilitation for post-acute infection syndrome (MDPI) Tixagevimab/Cilgavimab for infection prevention (medRxiv) Antibody prophylaxis & vaccination in kidney transplant recipients (Kidney International) Guideline on treatment with Famotidine (IDSA)  Remdesivir fact sheet for providers (Veklury)  Bebtelovimab fact sheet for providers (FDA) PAXLOVID rebound symptom characterization (medRxiv) Antigen test positivity duration (medRxiv) Viral dynamics of variants and isolation (NIH)  Association of inflammation in CS fluid (JAMA) Transmission dynamics in Ghana (ASTMH)  Contribute to FIMRC fundraiser at PWB Dr. Griffin's treatment guide (pdf) Letters read on TWiV 905 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 904: 50 years of reverse transcriptase

    Play Episode Listen Later May 29, 2022 58:58

    Vincent travels to Cold Spring Harbor Laboratory to speak with David Baltimore, John Coffin, and Harold Various about the discovery in 1970 of retroviral reverse transcriptase and its impact on life sciences research. Hosts: Vincent Racaniello Guests: David Baltimore, John Coffin, and Harold Varmus Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Fifty Years of Reverse Transcriptase (Cold Spring Harbor Laboratory) 50th Anniversary of RT discovery (Mol Biol Cell) RT in virions of Rous sarcoma virus – Temin (Nature) RNA-dependent DNA polymerase in tumor virus particles – Baltimore (Nature) Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 903: COVID-19 clinical update #116 with Dr. Daniel Griffin

    Play Episode Listen Later May 28, 2022 47:47

    In COVID-19 clinical update #115, Dr. Griffin discusses croup association with infection surge, rhinovirus co-circulation in children, shedding following vaccination, high vaccine efficacy in children 6 mo-5 yr, vaccine protection for hospitalized patients, convalescent plasma as post-exposure prophylaxis, real-world effectiveness of PAXLOVID, effectiveness of PAXLOVID in reducing hospitalization, infection rebound after PAXLOVID, relapse of symptomatic infection after PAXLOVID, remdesivir and bebtelovimab fact sheets for providers, guidelines on usage of anticoagulation drugs, long covid symptoms after vaccination, excess morality in MA, infection sequelae and immunity, and post infection conditions among adults. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Croup association with infection surge (PIDS) Rhinovirus co-circulation in children (Science Direct) Infection shedding following vaccination (MedRxiV) High vaccine efficacy in children 6 months to 5 years (Pfizer) Protection of vaccine against hospitalized patients (IDSA) Convalescent plasma as post-exposure prophylaxis (IDSA) Real-world effectiveness of PAXLOVID in Hong-Kong (MedRxiV) Effectiveness of PAXLOVID in reducing hospitalization (The Lancet) Infection rebound after PAXLOVID (CDC) Relapse of symptomatic infection after PAXLOVID (Research Square) Remdesivir fact sheet for providers (Veklury)  Bebtelovimab fact sheet for providers (FDA) Guidelines on usage of anticoagulation drugs (ASH) Long covid symptoms after vaccination (BMJ) Excess morality in Massachusetts (JAMA) Infection sequelae and immunity (Annals of Internal Medicine) Post infection conditions among adults (CDC) Contribute to FIMRC fundraiser at PWB Dr. Griffin's treatment guide (pdf) Letters read on TWiV 903 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV Special: Monkeypox clinical update with Dr. Daniel Griffin

    Play Episode Listen Later May 26, 2022 26:01

    In this special episode, Dr. Griffin answers questions about the recent cases of monkeypox including their origin, clinical presentation, diagnosis, treatment, and overall risk. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Monkeypox multi-country outbreak risk assessment (pdf, ECDC) Monkeypox update (ProMedMail) Monkeypox virus genome sequences (Nextstrain) Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 902: Autoantibodies drive severe COVID-19

    Play Episode Listen Later May 22, 2022 126:39

    TWiV reviews recent cases of monkeypox, presence of SARS-CoV-2 RNA but not infectious virus in feces, and the association of autoantibodies to interferons with severe COVID-19. Hosts: Vincent Racaniello, Dickson Despommier, Rich Condit, Kathy Spindler, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Monkeypox in MA (ProMed Mail) Possible monkeypox in NYC (NY Times) Occupational monkeypox, Wisconsin (Emerg Inf Dis) SARS-CoV-2 in feces (Nature) IFN autoantibodies and severe COVID-19 (PNAS) Letters read on TWiV 902 Timestamps by Jolene. Thanks! Weekly Picks Dickson – How to grow food on the moon Brianne – APod May 16: Milky Way over French Alp Hoodoos Kathy – Covid Nationwide data visualization Rich – NIH All of Us Research Program Vincent – Physicians Spreading Misinformation on Social Media — Do Right and Wrong Answers Still Exist in Medicine? Listener Pick Lisa – E.H. Danner Museum of Telephony Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 901: COVID-19 clinical update #115 with Dr. Daniel Griffin

    Play Episode Listen Later May 21, 2022 60:11

    In COVID-19 clinical update #115, Dr. Griffin reviews cross-variant immunity without vaccination, EUA for boosters in 5-11 year olds, B.1.1.529 attack rate, scent dogs, Omicron and pets, Paxlovid, Veklury, Fluvoxamine, antigen positivity after isolation, inflammasome activation and severe disease, and GI persistence and fecal shedding. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Limited cross-variant immunity without vaccination (Nature) EUA for boosters in 5-11 year olds (FDA) Stages of COVID-19 (AIDS Rev) B.1.1.529 attack rate in Australia (JID) Scent dogs (BMJ) Does Omicron affect pets? (CVMBS News) Paxlovid eligibility checklist (FDA) Supratherapeutic tacrolimus with nirmatrelvir/ritonavir (Op For Inf Dis) Is longer Paxlovid needed? (Reuters) How about Veklury? (Gilead) Fluvoxamine declined (FDA) Antigen positivity after isolation (MMWR) Inflammasome activation drives COVID-19 pathology (TWiV 900, Nature) PASC and viral antigen persistence in gut (Gastroenterol) GI symptoms and fecal shedding (Med) Contribute to ASTMH fundraiser at PW Dr. Griffin's treatment guide (pdf) Letters read on TWiV 901 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 900: Burning down the mouse

    Play Episode Listen Later May 15, 2022 95:17

    TWiV celebrates 900 episodes, Vincent gives the Richard R. Ernst lecture, and we discuss why inflammasome activation in infected macrophages drives severe COVID-19. Hosts: Vincent Racaniello, Alan Dove, Rich Condit, Kathy Spindler, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Richard R. Ernst Lecture Infected macrophages drives severe COVID-19 (Nature) Timestamps by Jolene. Thanks! Weekly Picks Brianne – The Milky Way's Black Hole Comes to Light Kathy – River dolphins playing with anaconda Rich – Smallpox vaccination techniques; from knives and forks to needles and pins Alan – Vacuum Tubes: a Modern Aladdin's Lamp Vincent – Books by Pamela Jane Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 899: COVID-19 clinical update #114 with Dr. Daniel Griffin

    Play Episode Listen Later May 14, 2022 55:56

    In COVID-19 clinical update #114, Dr. Griffin discusses early treatment with ivermectin, procalcitonin not a reliable biomarker, vaccine in 6-11 year olds, FDA limits use of Janssen vaccine, does site of vaccine booster matter, sniffer dogs, monoclonals for hospitalized patients, risk assessment for public events, Paxlovid eligibility, and persistence of pediatric anosmia. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Effects of early treatment with Ivermectin (NEJM) Procalcitonin not a reliable biomarker (IDSA) Evaluation of vaccine in children 6 to 11 years (NEJM)) FDA limits use of Janssen vaccine (FDA) Recall of b cell memory on vaccination location (Science Immunology) Persistence screening using sniffer dogs (Journal of Clinical Trials) Tixagevimab/Cilgavimab for treatment of hospitalized patients (Lancet) Infection detection by canine olfaction (OFID) Diagnostic utility to differentiate patients (IDSA) Prevalence of anosmia in pediatric cases (Pediatric Infectious Disease Journal) Risk assessment for public events (University of Texas COVID-19 Modeling Consortium) PAXLOVID patient eligibility screening checklist (FDA) PAXLOVID drug interactions (IDSA) Contribute to ASTMH fundraiser at PWB Dr. Griffin's treatment guide (pdf) Letters read on TWiV 899 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 898: Immunity is skin deep

    Play Episode Listen Later May 8, 2022 98:23

    TWiV explains why the concept of herd immunity might not apply to COVID-19, and the observation that smallpox vaccination causes an increase in skin bacteria that promote pathology and influence the immune response. Hosts: Vincent Racaniello, Rich Condit, Kathy Spindler, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Herd immunity may not apply to COVID-19 (J Inf Dis) Smallpox vaccination increases skin bacteria (PLoS Path) The invinceable TWiV (TWiV 145) By the pricking of my thumbs… (TWiV 284) Letters read on TWiV 898 Timestamps by Jolene. Thanks! Weekly Picks Brianne – Bacteria and Me Coloring Book Kathy – Smarter 3D printing Rich – Big Ben Restoring the Worlds Most Famous Clock 2021 Vincent – Scientific review articles as antivaccine disinformation Listener Pick Suellen – Your Fantastic Mind Season 3 Ep 2: Long COVID and Making of a Brain Surgeon (Full Episode) Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 897: COVID-19 clinical update #113 with Dr. Daniel Griffin

    Play Episode Listen Later May 7, 2022 47:48

    In COVID-19 clinical update #113, Dr. Griffin discusses tocilizumab use in hospitalized Patients, IL-6 inhibitors and mortality, Baricitinib in hospitalized patients, post-infection neurological sequelae, comparative effectiveness of Pfizer and Moderna vaccines, phase 2/3 study of Paxlovid, infection relapse following Paxlovid, pre-hospital administration of Remdesivir, and hospitalization with different variants. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Timing of Tocilizumab Use in Hospitalized Patients (NIH) Interleukin-6 inhibitors reduce mortality (European Journal of Internal Medicine)  Treatment Effect of Baricitinib on Hospitalized Patients (IDSA) Post Infection Neurological Sequelae (Res Square) Comparative Effectiveness of Pfizer and Moderna Vaccines (Nature Commun) Results from Phase 2/3 Study of Paxlovid (Pfizer)  Infection Relapse Following Suppression by Paxlovid (Res Square) Update on Paxlovid Usage (FDA) Availability and Use of Treatments in Outpatients (CDC) Pre-Hospital Administration of Remdesivir (IDSA) Remdesivir and three other drugs for Hospitalized Patients (Lancet) Guidelines on Usage of Anticoagulants (Am Soc Hematol) Different Variants Hospitalization and Morality (Res Square) Contribute to FIMRIC fundraiser at PWB Dr. Griffin's treatment guide (pdf) Letters read on TWiV 897 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 896: Memory B cells, the way we were

    Play Episode Listen Later May 1, 2022 101:55

    TWiV explains a study of how climate change is predicted to increase cross-species viral transmission risk, and increased memory B cell potency and breadth after a SARS-CoV-2 mRNA vaccine boost. Hosts: Vincent Racaniello, Dickson Despommier, and Amy Rosenfeld Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Climate change and viral zoonosis risk (Nature) COVID-19 mRNA boost effect on memory B cells (Nature) Letters read on TWiV 896 Timestamps by Jolene. Thanks! Weekly Picks Dickson – Toots Thilelemans Amy – Largest comet ever identified Vincent – Scientific review articles as antivaccine disinformation Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 895: COVID-19 clinical update #112 with Dr. Daniel Griffin

    Play Episode Listen Later Apr 30, 2022 35:37

    In COVID-19 clinical update #112, Dr. Griffin reviews seroprevalence of infection-induced antibodies, Moderna filing for vaccine authorization in young children, public health impact of vaccines in US, FDA approval of first treatment for young children, phase 2 data for Sabizabulin, and post infection inflammation. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Seroprevalence of Infection-Induced Antibodies (CDC)  Authorization for Vaccine in Young Children Filed (Moderna) Public Health Impact of Vaccines in US (BMJ) FDA authorizes first approved treatment for children (FDA) Phase 2 Data for Sabizabulin (Veru Pharma)  Clinical Characteristics of Post Infection Inflammation (The Lancet) Fact Sheet for Providers on Evusheld (FDA) Fact Sheet for Providers on Paxlovid (FDA) Provider Referral for EvuSheld (Northwell Health) Contribute to ASTMH fundraiser at PWB Dr. Griffin's treatment guide (pdf) Letters read on TWiV 895 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 894: Dinner with the TMPRSS family

    Play Episode Listen Later Apr 28, 2022 99:55

    TWiV explains what is known about cases of acute, severe hepatitis of unknown origin in children, and discovery of an inhibitor of TMPRSS2 protease that blocks SARS-CoV-2 infection. Hosts: Vincent Racaniello, Alan Dove, Kathy Spindler, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Severe hepatitis in children (WHO) TMPRSS2 inhibitor (Nature) Omicron less dependent on TMPRSS2 (TWiV 879) Letters read on TWiV 894 Timestamps by Jolene. Thanks! Weekly Picks Brianne – Apple AirTag Kathy – Dental art/sculpture/mobile/chandelier Alan – Vintage Radio and Communications Museum of Connecticut Vincent – For the Love of Enzymes by Arthur Kornberg Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 893: Yellow fever virus escapes antibodies

    Play Episode Listen Later Apr 24, 2022 88:29

    Kartik, Denise, and Gorka join TWiV to discuss their finding that changes in the surface glycoprotein of South American yellow fever virus lead to reduced neutralization by antibodies induced by the vaccine, which is derived from an African isolate. Hosts: Vincent Racaniello, Dickson Despommier, and Brianne Barker Guests: Kartik Chandran, Denise Haslwanter, and Gorka Lasso Cabrera Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Prometheus project (TWiV 578) Reduced neutralization of South American yellow fever virus (Cell Host Microbe) Letters read on TWiV 893 Timestamps by Jolene. Thanks! Weekly Picks Dickson – Earth Day and Earth Day History Brianne – XKCD: Family Reunion Vincent – Tokaido: A Journey (DVD) Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 892: COVID-19 clinical update #111 with Dr. Daniel Griffin

    Play Episode Listen Later Apr 23, 2022 54:13

    In COVID-19 clinical update #111, Dr. Griffin discusses vaccine coverage and mortality in Hong Kong, immune response to boosters in kids, hospitalization of kids, breath based diagnostic test, viral co-infections, bivalent mRNA vaccine, intramuscular Evusheld, and global long COVID. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Vaccine coverage and mortality, Hong Kong (MMWR) Kids behind on routine vaccinations (Politico) Immune response to booster, 5-11 year olds (Pfizer) Children and vaccination (AAP) Hospitalization of 5-11 year olds (MMWR) Test using breath samples (FDA) Influenza virus, adenovirus, RS virus co-infections (Lancet) Booster crystal ball (TWiV 890) Bivalent vaccine (Res Square) Bivalent vaccine in mice (bioRxiv) Intramuscular Evusheld (NEJM) Global PASC (J Inf Dis) Dr. Griffin's treatment guide (pdf) Letters read on TWiV 892 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 891: LLOV in the time of Ebola

    Play Episode Listen Later Apr 21, 2022 84:31

    Elke, Adam, and Gabor join TWiV to discuss their work on Lloviu virus, a filovirus, including recovery of infectious virus from a DNA copy of the genome and from Schreiber's bats in Hungary. Hosts: Vincent Racaniello, Rich Condit, Kathy Spindler, and Brianne Barker Guests: Elke Muhlberger, Adam Hume, and Gabor Kemenesi Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Elke on TWiV 200 and Threading the NEIDL Infectious Lloviu virus from bats in Hungary (Nat Commun) Infectious Lloviu virus from DNA (PloS Path) Letters read on TWiV 891 Timestamps by Jolene. Thanks! Weekly Picks Brianne – APod Stars and Globules in the Running Chicken Nebula Kathy – BioRender Poster Builder Rich – The Sins of Our Fathers: An Expanse Novella (The Expanse) by James S. A. Corey Vincent – Baumgartner Restoration Listener Pick J – Time, Einstein, and the coolest stuff in the Universe Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 890: Looking into a booster crystal ball

    Play Episode Listen Later Apr 17, 2022 115:07

    This episode of TWiV is focused on COVID-19 vaccines and antibodies: who should get boosters, whether a variant matched mRNA vaccine is superior to a historical vaccine, and how the interval between vaccination and infection influences the quality of the antibody response. Hosts: Vincent Racaniello, Dickson Despommier, Rich Condit, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode What next for COVID-19 boosters? (NEJM) Boosting with historical or variant mRNA vaccines (Cell) Vaccination-infection interval determines antibody breadth (Cell Med) Letters read on TWiV 890 Timestamps by Jolene. Thanks! Weekly Picks Dickson – Webb Telescope's coldest instrument reaches operating temperature Brianne – Video of a CTL killing a tumor cell Rich – Our Unfinished Pandemic (On the Media Podcast) Vincent – Lý Thị Ca Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 889: COVID-19 clinical update #110 with Dr. Daniel Griffin

    Play Episode Listen Later Apr 16, 2022 53:16

    In COVID-19 clinical update #110, Dr. Griffin covers hospital admissions during variant outbreaks, viral load in vaccinated and unvaccinated individuals, predictive capacity of symptoms in children, comparison of antigen tests, incidence of myocarditis after vaccination, steroids during replication phase, Paxlovid efficacy and safety, fluvoxamine, sabizabutin, colchicine, and prevalence of infection in Africa. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Hospital admissions during Omicron and Delta variant outbreaks (Lancet) Viral load in unvaccinated and vaccinated individuals (Nat Med) Predictive Capability of symptoms in children (Clin Inf Dis) Comparison of antigen tests (medRxiv) Incidence of Myocarditis after COVID19 and non-COVID19 vaccination (Lancet) Steroids during viral replication phase (Resp) Paxlovid efficacy and safety (Pfizer) Fluvoxamine & Outpatient Management (JAMA) Sabizabutin efficacy and safety (Veru) Colchicine and lack of benefit (Lancet) SARS-CoV-2 prevalence in Africa (medRxiv) Contribute to ASTMH fundraiser at PWB Dr. Griffin's treatment guide (pdf) Letters read on TWiV 889 33:35 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 888: Molnupiravir with Richard Plemper

    Play Episode Listen Later Apr 14, 2022 89:57

    Richard joins TWiV to discuss the SARS-CoV-2 antiviral drug Molnupiravir , including how it was discovered, its mechanism of action, whether it is a mutagen for cells, and the future of drugs for treatment of COVID-19. Hosts: Vincent Racaniello, Alan Dove, and Brianne Barker Guest: Richard Plemper Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Richard on TWiV 636 Molnupiravir in ferrets (Nat Micro) Oral prodrug of Remdesivir in ferrets (Nat Commun) Letters read on TWiV 888 Timestamps by Jolene. Thanks! Weekly Picks Brianne – BioRender Poster Builder Alan – Hexbug cat toys Vincent – US Mint 2019 American Innovation Coin – PA – Polio Vaccine Listener Picks Sue – American Visionary Art Museum Frazer – Vaccine trial for killer elephant virus Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 887: Bonfire of the monocytes

    Play Episode Listen Later Apr 10, 2022 108:27

    TWiV explains why this season's influenza vaccine is not protecting against mild to moderate disease caused by H3N2 virus, and that antibody-dependent entry of SARS-CoV-2 into monocytes is a major contributor to severe COVID-19. Hosts: Vincent Racaniello, Dickson Despommier, Rich Condit, and Amy Rosenfeld Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Seasonal influenza vaccine effectiveness (MMWR) Properties of a dominant H3N2 variant (bioRxiv) Scott Henley on influenza vaccine growth in eggs (TWiV 480) Fc receptor dependent entry of SARS-CoV-2 into monocytes (Nature) Timestamps by Jolene. Thanks! Weekly Picks Dickson – Ketanji Brown Jackson confirmed to US Supreme Court Amy – Some threats just keep coming in waves Rich – Lady Bird Johnson Wildflower Center Vincent – Martijn Doolaard Listener Picks Ann – Immunological memory to SARS-CoV-2 infection and vaccines Chris – Isoplexis Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 886: COVID-19 clinical update #109 with Dr. Daniel Griffin

    Play Episode Listen Later Apr 9, 2022 39:29

    In COVID-19 clinical update #109, Daniel Griffin discusses cardiac complications after infection or vaccination, long COVID in children, fourth vaccine dose in Israel, no need for fourth vaccine does in EU, dexamethasone dosing, immunomodulation therapy, MIS outcomes in children, US long COVID effort launched, and herd immunity. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Cardiac complications after infection or vaccination (MMWR) Long COVID in children (Future Med) Fourth vaccine dose in Israel (NEJM) No need for fourth vaccine dose (Eur Med Agency) Dexamethasone dosing (Intensive Care Med) Actemra priority review (Roche) Guidelines on anticoagulation therapy (American Soc Hematol) MIS outcomes in children (JAMA) Biden launches long COVID effort (USA Today) Herd immunity and COVID (J Inf Dis) Contribute to ASTMH fundraiser at PWB Dr. Griffin's treatment guide (pdf) Letters read on TWiV 886 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 885: Russian bats and Ankara vectors

    Play Episode Listen Later Apr 7, 2022 104:06

    TWiV reveals an ACE2-dependent sarbecovirus from Russian bats that is not inhibited by anti-SARS-CoV-2 antibodies, and a modified vaccinia virus Ankara vectored vaccine that protects nonhuman primates from Delta infection. Hosts: Vincent Racaniello, Rich Condit, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Sarbecovirus from Russian bat (bioRxiv) MVA vectored COVID vaccine (Sci Immunol) Letters read on TWiV 885 Timestamps by Jolene. Thanks! Weekly Picks Brianne – The Search for a Model Octopus That Won't Die After Laying Its Eggs Rich – Vaccine Pioneers and Opponents with Paul Offit (Podcast: Connected by Controversy by Chris White)  and The Cutter Incident by Paul Offit Vincent – Simply Put: Vaccines Save Lives Listener Picks Rich – ‘Stolen' Charles Darwin notebooks left on library floor in pink gift bag Neva – Elin Thomas, UK textile artist Viki – History of English Podcast Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 884: Cytokines and viral mimicry

    Play Episode Listen Later Apr 3, 2022 121:51

    Vincent and Amy explain how asthmatic bronchial smooth muscle increases rhinovirus replication in the bronchial epithelium, and mimicry of IL-17 by the ORF8 protein of SARS-CoV-2. Hosts: Vincent Racaniello and Amy Rosenfeld Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Asthmatic bronchial smooth muscle and rhinovirus (Cell Rep) SARS-CoV-2 ORF8 mimics IL-17 (mBio) Letters read on TWiV 884 Timestamps by Jolene. Thanks! Weekly Picks Amy – Ben Franklin by Ken Burns Vincent – Thoughts on a second booster: Offit and Krause/Borio Listener Picks Philip – History of Clemson Blue Cheese Jack – Pipeline and A Special Report on Polio Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 883: COVID-19 clinical update #108 with Dr. Daniel Griffin

    Play Episode Listen Later Apr 2, 2022 45:25

    In COVID-19 clinical update #107, Daniel Griffin reviews vaccine booster doses, at-home testing, transmission in ferrets, improving indoor air quality, trials of BCG, ivermectin, and fluvoxamine, vaccination during pregnancy, mRNA vaccines and Fc functions, anti-platelet and aspirin therapy and a trial of prone positioning. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode FDA authorizes second booster (FDA) Second booster and mortality (Res Square) Booster effectiveness vs hospitalization (MMWR) SARS-CoV-2 confections (Lancet) At-home testing (MMWR) Transmission study in ferrets (PLoS Path) Improving indoor air quality (EPA) BCG vaccine no effect on viral infections (Clin Inf Dis) Vaccination during pregnancy (JAMA) mRNA vaccines and different Fc functions (Sci Transl Med) Ivermectin clinical trial (NEJM) Fluvoxamine clinical trial (Lancet) Antiplatelet therapy (JAMA) Aspirin and in-hospital mortality (JAMA) Proning trial (Brit Med J) Contribute to ASTMH fundraiser at PWB 41:20 Letters read on TWiV 883 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 882: Elispot on about T cells and lipids

    Play Episode Listen Later Mar 31, 2022 109:18

    Vincent and Brianne review the need to better understand T cell responses to SARS-CoV-2 infection to better inform public health decisions, and how IL-1 and IL-1ra are important regulators of the inflammatory response to RNA vaccines. Hosts: Vincent Racaniello and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Understanding T cell responses during COVID-19 (Science Immunol) IL-1 and IL-1ra are keys to inflammation after RNA vaccination (Nature Immunol) Letters read on TWiV 882 Timestamps by Jolene. Thanks! Weekly Picks Brianne – Covid restrictions prevented dengue in hundreds of thousands of people in 2020 Vincent – Scotch Dual Lock 250 Reclosable Fastener Listener Picks Erin –JWT Preparation and Xploration Outer Space Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 881: 50 ways to zap your virus

    Play Episode Listen Later Mar 27, 2022 112:13

    TWiV describes the identification of a monoclonal antibody that provides broad protection against a variety of hantaviruses, and development of an oral remdesivir-like antiviral that ameliorates viral disease in mice. Hosts: Vincent Racaniello, Dickson Despommier, Rich Condit, and Amy Rosenfeld Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Monoclonal antibody provides broad hantavirus protection (Sci Transl Med) Prometheus Project (TWiV 578) Oral antiviral related to Remdesivir (Sci Transl Med) Letters read on TWiV 881 Timestamps by Jolene. Thanks! Weekly Picks Dickson – World's tallest wooden building Amy – Virus hunter in the Wuhan market Rich – WorldPop (example) Vincent – Karst Stone Paper Listener Picks Neva – Can we vaccinate against EBV? and Paul Sutter reading a science paper Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 880: COVID-19 clinical update #107 with Dr. Daniel Griffin

    Play Episode Listen Later Mar 26, 2022 47:31

    In COVID-19 clinical update #107, Daniel Griffin discusses Moderna vaccine results in children, hospitalization by ethnicity, BA.2 severity in children, placentitis and thrombohematoma during pregnancy, predictive value of symptoms for diagnosis, Evusheld activity against BA.1 and BA.2, Remdesivir resistance, Ivermectin with and without strongyloidiasis, inhaled ciclesonide, home telemonitoring, pulse oximetry for remote monitoring, effectiveness of anti-platelet therapy, and deaths in Zambia. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Moderna vaccine results in children (Moderna) Delta/Omicron hospitalization by ethnicity (MMWR) Intrinsic BA.2 severity in unvaccinated children (Lancet) Children and COVID state-level data (AAP) Placentitis and thrombohematoma during pregnancy (JAMA) Predictive value of symptoms for diagnosis (Clin Inf Dis) FDA to discuss booster strategy (FDA) Evusheld activity against BA.1 and BA.2 (AstraZeneca and bioRxiv) Remdesivir resistance in immunocompromised patient (Nature Comm) Ivermectin for COVID with and without strongyloidiasis (JAMA) Inhaled ciclesonide for outpatient treatment (Clin Micro Inf) Home telemonitoring for infection (J Telemed Telecare) Effectiveness of pulse oximetry in remote monitoring (Lancet) Effects of anti-platelet therapy (JAMA) COVID deaths in Zambia (medRxiv) Contribute to ASTMH fundraiser at PWB Letters read on TWiV 880 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 879: Indolent, resistant, and losing our TMPRSS

    Play Episode Listen Later Mar 24, 2022 99:21

    TWiV reviews the emergence of remdesivir-resistant SARS-CoV-2 during treatment of a persistently infected immunocompromised patient, and how altered TMPRSS2 utilization by the Omicron variant influences infectivity and fusion. Hosts: Vincent Racaniello, Alan Dove, Rich Condit, Kathy Spindler, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode ASV 2022 Emergence of remdesivir resistance (Nature Comm) How to stall a copy machine (TWiV 819) Omicron altered TMPRSS2 usage (Nature) Timestamps by Jolene. Thanks! Weekly Picks Brianne – NSURP 2022 Kathy – Virology Jobs Rich – 10 Steps from Seed to Cup (Graphic) Alan – Fathoms: The World in The Whale, by Rebecca Giggs Vincent – Worldwaterday.org Listener Picks Jeremy – Archaeology of Light Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 878: Shape matters sometimes

    Play Episode Listen Later Mar 20, 2022 124:15

    TWiV revisits chronic wasting disease of cervids and the ability of the prions to infect meadow voles and raccoons, and the suggestion that stochastic assembly of influenza virus particles may play a role in phenotypic diversity. Hosts: Vincent Racaniello, Dickson Despommier, Rich Condit, and Amy Rosenfeld Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode CWD in meadow voles and raccoons (Emerg Inf Dis) Unusual infectious agents (Virology Live) Low fidelity influenza virus assembly (Cell) Shape-shifting viruses (TWiV 743) From variolous effluvia to VLPs (TWiV 170) A pox on your horse (TWiV 478) Letters read on TWiV 878 Timestamps by Jolene. Thanks! Weekly Picks Dickson – James Webb Space Telescope and Nature Conservancy Photo Contest Amy – A new strategy for staying one step ahead of the virus Rich – Searching for the origin of the smallpox vaccine: Edward Jenner and his little-known horsepox hypothesis Vincent – Blacktail Studio Listener Picks Richard – Water Structure and Science Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 877: COVID-19 clinical update #106 with Dr. Daniel Griffin

    Play Episode Listen Later Mar 19, 2022 28:13

    In COVID-19 clinical update #106, Daniel Griffin covers failure of ivermectin to improve hospitalization, increased hospitalization of children with Omicron, seroconversion of children versus adults, effectiveness of Pfizer mRNA vaccine in children, high vaccine effectiveness in Finland against Omicron, distinct long COVID clinical phenotypes, and estimating worldwide excess mortality. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Ivermectin did not reduce hospitalizations (Wall St J) Increased hospitalization of children with Omicron (MMWR) Seroconversion of children vs adults (JAMA) Effectiveness of Pfizer-BioNTech vaccine in children (MMWR) High vaccine effectiveness in Finland (medRxiv) Distinct long COVID clinical phenotypes (Open Forum Inf Dis) Estimating excess mortality (Lancet) Contribute to ASTMH fundraiser at PWB Letters read on TWiV 877 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 876: Spillover market with Michael Worobey

    Play Episode Listen Later Mar 17, 2022 96:32

    Michael Worobey joins TWiV to explain evidence that SARS-CoV-2 emerged via the wildlife trade and that the Huanan market was the unambiguous epicenter of the COVID-19 pandemic. Hosts: Vincent Racaniello, Rich Condit, Kathy Spindler, and Brianne Barker Guest: Michael Worobey Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Early COVID-19 cases in Wuhan (TWiV 833) Huanan market was epicenter of COVID-19 (Zenodo) Two spillover events launched COVID-19 pandemic (Zenodo) Robert Malone and Peter McCullough: A litany of untruths (Decoding the Gurus) Timestamps by Jolene. Thanks! Weekly Picks Brianne – Kartchner Caverns (info from Wikipedia here) Kathy – Laminar flow and turbulent flow Rich – Wikipedia Vincent – The Human Lake by Carl Zimmer Listener Picks Brad – NASASpaceflight Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 875: Animal house

    Play Episode Listen Later Mar 13, 2022 92:32

    TWiV discusses the virome of game animals in China, and the finding that binding of sarbecoviruses to ACE2 is an ancestral and evolvable trait. Hosts: Vincent Racaniello, Dickson Despommier, and Amy Rosenfeld Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode WHO declaration of COVID-19 pandemic Virome of China game animals (Cell) ACE2 binding is ancestral and evolvable (Nature) Letters read on TWiV 875 Timestamps by Jolene. Thanks! Weekly Picks Dickson – Ship found at the bottom of the sea Amy – Vaccinating kids has never been easy Vincent – State data and CDC data on children and COVID-19 Listener Picks Andrew – Books by Randall Munroe Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 874: COVID-19 clinical update #105 with Dr. Daniel Griffin

    Play Episode Listen Later Mar 12, 2022 40:39

    In COVID-19 clinical update #105, Daniel Griffin discusses changes in brain structure after infection, dementia in patients with pneumonia, Paxlovid in children, mask effectiveness in schools, host factors and severe disease, post-acute symptoms, and the mission of CEPI. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Infection and changes in brain structure (Nature) Dementia among pneumonia survivors (Open Forum Inf Dis) Narrative dynamics around COVID-19 vaccines (FSI) Children and COVID (AAP) Paxlovid in pediatric patients (Pfizer) Mask effectiveness in schools (MMWR) Host factors and severe disease (Nature) Antiviral efficacy against BA.2 (NEJM) Post-acute symptoms, Denmark (medRxiv) Risk of sequelae after infection (BMJ) CEPI (TWiV 612) Contribute to ASTMH fundraiser at PWB Letters read on TWiV 874 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 873: Pig viruses and big viruses

    Play Episode Listen Later Mar 6, 2022 116:43

    TWiV reviews the six known coronaviruses that infect pigs and what can be learned about human infections, and how the giant Mimivirus DNA genome is organized into a nucleocapsid. Hosts: Vincent Racaniello, Alan Dove, Rich Condit, and Brianne Barker Click arrow to play Download TWiV 873 (128 MB .mp3, 107 min) Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode ABRCMS ePoster Spring Symposium for Emerging Scientists Porcine coronaviruses (Virol Sin) Mimivirus nucleocapsid (bioRxiv) Letters read on TWiV 873 Timestamps by Jolene. Thanks! Weekly Picks Brianne – The Dinosaur Age May Have Ended in Springtime Alan – The Track of the Typhoon, and me reading it. Rich – 12 Monkeys Vincent – Anna Mason's Art Channel Listener Picks Richard – SARS-CoV-2 in animals: Situation report #9 Jason – Counting App and CountThings from Photos Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 872: COVID-19 clinical update #104 with Dr. Daniel Griffin

    Play Episode Listen Later Mar 5, 2022 56:03

    In COVID-19 clinical update #104, Daniel Griffin reviews effectiveness of mRNA vaccines among children, number of children affected by disease, accuracy of rapid antigen tests, CDC guidance for prevention strategies, monoclonal antibody effectiveness, predicting progression to severe respiratory failure from pneumonia, risk of long COVID after two vaccine doses, and peripheral neuropathy in long COVID. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Vaccine effectiveness 5-11 year olds (medRxiv) Vaccine effectiveness vs ED and UCE 5-12 year olds (medRxiv) Children affected by COVID (Lancet) Accuracy of rapid antigen tests (medRxiv) COVID community levels (CDC) Therapeutics guidelines (WHO) Mortality among SOT (Clin Inf Dis) Long COVID after two vaccine doses (medRxiv) Peripheral neuropathy in COVID patients (Neurology) Letters read on TWiV 872 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 871: If the ACE2 fits, ferret

    Play Episode Listen Later Feb 27, 2022 102:03

    TWiV discusses whether or not Omicron should be designated a new serotype of SARS-CoV-2, and the finding that amino acid changes that adapt SARS-CoV-2 to mink or ferret do not increase fitness in the human airway. Hosts: Vincent Racaniello, Alan Dove, and Rich Condit Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode ABRCMS ePoster Spring Symposium for Emerging Scientists ASV Annual Meeting Registration (ASV) Microbiology & Immunology at LSU Health Is Omicron a new serotype? (Nat Rev Micr) Adaptation of SARS-CoV-2 to mink/ferret (Cell Rep) Letters read on TWiV 871 Timestamps by Jolene. Thanks! Weekly Picks Alan – Which Immune Cell Are You? and Michaeleen Doucleff's article Rich – Vaccinated: One Man's Quest to Defeat the World's Deadliest Diseases by Paul A. Offit Vincent – Ebola on Canvas Listener Picks Les – Ologies podcast Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 870: COVID-19 clinical update #103 with Dr. Daniel Griffin

    Play Episode Listen Later Feb 26, 2022 43:37

    In COVID-19 clinical update #102, Daniel Griffin covers immunocompromised people, hospitalization of children, vaccine usage update, Omicron and cross-reactive neutralizing antibodies, reinfection prevents disease in hamsters, repeated infections with endemic coronaviruses, global burden of antimicrobial resistance, ivermectin not protective in hamsters, and Omicron evades therapeutic monoclonals. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode What does society owe immunocompromised people (Atlantic) Prevalence of immunosuppression in US (JAME) Hospitalizations of children (MMWR) Clinical considerations for vaccines (CDC) Sanofi seeks vaccine approval (Sanofi) Omicron triggers cross-reactive neutralization (medRxiv) Reinfection prevents disease in hamsters (Cell) Repeated infections with endemic CoV (J Inf Dis) Global burden of antimicrobial resistance (Lancet) Ivermectin not protective in hamsters (bioRxiv) Omicron evades therapeutic monoclonals (bioRxiv) Letters read on TWiV 870 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 869: Epstein-Barr virus and MS, a perfect storm

    Play Episode Listen Later Feb 20, 2022 107:45

    TWiV reviews epidemiological and experimental evidence that infection with Epstein-Barr virus leads to the production of antibodies against a viral protein that cross-react with a human protein, leading to multiple sclerosis. Hosts: Vincent Racaniello, Dickson Despommier, Rich Condit, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode ABRCMS ePoster Spring Symposium for Emerging Scientists ASV Annual Meeting Registration (ASV) Microbiology & Immunology at LSU Health Viremia in human poliomyelitis (J Exp Med) EBV associated with MS (Science) MS antibodies Bind EBV EBNA1 and GlialCAM (Nature) Letters read on TWiV 869 Timestamps by Jolene. Thanks! Weekly Picks Dickson – Rapid intensification of the emerging southwestern North American megadrought in 2020–2021 Brianne – Which Immune Cell Are You? Rich – Nikola Tesla – 3D Anamorphosis Vincent – Paul's Uncle Doesn't Want to Get Vaccinated Listener Picks Bob – The 1969 Apollo Guidance Computer Anne – Decoding the Gurus with Dan Wilson Beth – FrenchGuyCooking Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 868: COVID-19 clinical update #102 with Dr. Daniel Griffin

    Play Episode Listen Later Feb 19, 2022 46:12

    In COVID-19 clinical update #102, Daniel Griffin reviews children and COVID, effectiveness of maternal vaccination, vaccines for immunocompromised, primary care physicians and vaccination rates, booster safety among adults, placentitis, azithromycin, oral Nirmatrelvir, Omicron antibody evasion, EUA for bebtelovimab, IL-1 blocking agents, thromboprophylaxis, effectiveness of vaccines against long COVID, and risks of mental health outcomes. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Children and COVID state data (AAP) Effectiveness of maternal vaccination (MMWR) Vaccines for immunocompromised (CDC) PCP and vaccination rates (JAMA) Booster safety among adults (MMWR) Placental tissue destruction and placentitis (Arch Path Lab Med) Azithromycin meta-analysis (J Antimicrob Chemo) Oral Nirmatrelvir for high-risk, nonhospitalized adults (NEJM) Omicron antibody evasion (bioRxiv) EUA for bebtelovimab (FDA) IL-1 blocking agents (Cochrane) Thromboprophylaxis (Chest) Effectiveness of vaccines against long COVID (UK Health) COVID complications in Australia (Lancet) Risks of mental health outcomes (BMJ) Letters read on TWiV 868 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    TWiV 867: I love the smell of vaccines in the morning

    Play Episode Listen Later Feb 17, 2022 117:59

    TWiV reviews an experimental, intranasally administered SARS-CoV-2 vaccine that utilizes adenovirus vectors to deliver three viral proteins and induces immunity to ancestral and variant isolates. Hosts: Vincent Racaniello, Alan Dove, Rich Condit, and Kathy Spindler Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Dorothy Horstmann (Wikipedia) Intranasal SARS-CoV-2 experimental vaccine (Cell) t-SNE (Wikipedia) Timestamps by Jolene. Thanks! Weekly Picks Kathy – 477-mile-long megaflash lightning in Seattle Times (originally Washington Post) and extra info from Rich World Meteorological Org Rich – NIAID Global Research (Mali) Alan – New method for recycling electric car batteries Vincent – Q&A with A&V Listener Picks Addie – Vaccine Podcast Jennie – Dr. Katelyn Jetelina, aka Your Local Epidemiologist Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 866: EV antibodies rEVolutionize our thinking

    Play Episode Listen Later Feb 13, 2022 99:45

    Amy returns to TWiV to discuss her work on the identification of cross-reactive antibody responses among diverse enteroviruses, and the implications for our understanding of viral pathogenesis and seroprevalence studies. Hosts: Vincent Racaniello, Dickson Despommier, Rich Condit Brianne Barker, and Amy Rosenfeld Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode ABRCMS ePoster Spring Symposium for Emerging Scientists Cross-reactive enterovirus antibodies (mBio) Poliovirus receptor transgenic mice (virology blog) Timestamps by Jolene. Thanks! Weekly Picks Dickson – European scientists set new record in production of nuclear fusion energy Amy – Alfredo's Magic Wand Brianne – What Happened After the Chicken-Pox Vaccine? Rich – Year Three of COVID-19: Harsh Truths, Realities, and Glimmers of Hope Vincent – Economists Are Fueling the War Against Public Health Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv

    TWiV 865: COVID-19 clinical update #101 with Dr. Daniel Griffin

    Play Episode Listen Later Feb 12, 2022 47:58

    In COVID-19 clinical update #101, Daniel Griffin discusses children and COVID, human challenge study results, effectiveness of mask use, Omicron boost in macaques, mucosal vaccine candidate, long-term cardiovascular outcomes, and global vaccine perceptions. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Children and COVID state data (AAP) Human challenge study (Res Sq) Effectiveness of mask use (MMWR) Omicron boost in macaques (bioRxiv) Mucosal vaccine candidate (Cell) Long-term cardiovascular outcomes (Nat Med) Global vaccine perceptions (PLoSNTD) Letters read on TWiV 865 Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

    259: Sea Sawdust

    Play Episode Listen Later Feb 11, 2022 61:46

    Mark Martin returns to TWiM for a discussion of the frightening global burden of bacterial antibiotic resistance, and a solution to the problem of daylight nitrogen fixation in a cyanobacterium, despite the incompatibility of nitrogenase with oxygen produced during photosynthesis. Become a patron of TWiM. Links for this episode: Global bacterial antimicrobial resistance (Nat Micro) Cancer moon shot (NCI) When antibiotics don't work (TED) Cyanobacterium buoyancy (Nat Micro) Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Send your microbiology questions and comments to twim@microbe.tv

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