This Week in Virology

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

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

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

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

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 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

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 dose 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 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 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

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

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) Dr. Griffin's treatment guide (pdf) 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