This Week in Virology

In his weekly clinical update, Dr. Griffin discusses the transmission of SARS-CoV-2 in free-ranging white-tailed deer in the United States, Omicron subvariant BA.5 efficiently infects lung cells, COVID-19 scent dog research highlights and synthesis during the pandemic of December 2019, T-Cell Immunity against SARS-CoV-2 measured by an interferon-γ release assay is strongly associated with patient...

Dan Wilson returns to TWiV to debunk vaccine misinformation by RFK Jr. during his recent appearance on the Joe Rogan Experience. Hosts: Vincent Racaniello ,  Dickson Despommier ,  Rich Condit ,  Kathy Spindler , and  Brianne Barker Guest:  Dan Wilson Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this episode MicrobeTV Discord Server Joe Ro...

In his weekly clinical update, Dr. Griffin discusses the new risk assessment for the H5N1 avian flu viruses, the development of monoclonal antibody-based blocking ELISA for detecting SARS-CoV-2 exposure in animals, repeated antibiotic exposure and risk of hospitalization and death following COVID-19 infection, COVID-19 rebound study: a prospective cohort study to evaluate viral and symptom rebound...

Vincent speaks with Kostya Chumakov about his career: raised by two virology parents in Moscow, trained in virology by Vadim Agol, then moving to the US FDA where he developed a molecular test for measuring production consistency of oral poliovirus vaccine. Host:  Vincent Racaniello Guest:  Kostya Chumakov Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS ,  email Become a  patron  of TWi...

Katherine joins TWiV to discuss her career in science writing, from not liking science at all, to a PhD in microbiology and immunology, and writing for Nova, the NY Times, and The Atlantic, and how the COVID-19 pandemic has impacted her craft. Host:  Vincent Racaniello ,  Kathy Spindler , and  Brianne Barker Guest:  Katherine Wu Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS ,  email B...

In his weekly clinical update, Dr. Griffin discusses autochthonous leprosy in the United States, a systematic review to identify novel clinical characteristics of Mpox virus infection and therapeutic and preventive strategies to combat the virus, two-year duration of immunity of inactivated poliovirus vaccine, evaluation of novel oral polio vaccine type 2 SIA impact in a large outbreak of circulat...

From ASV 2023 in Athens, Georgia, Vincent, Kathy and Brianne speak with Trevord Bedford about his career, the development of Nextstrain.org for real-time tracking of pathogen evolution, and evolution of SARS-CoV-2 from January 2020 through Omicron. Host:  Vincent Racaniello ,  Kathy Spindler , and  Brianne Barker Guest:  Trevor Bedford Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS , ...

In his weekly clinical update, Dr. Griffin discusses guidance on measles during the summer travel season, the Infectious Diseases Society of America guidelines on the diagnosis of COVID-19: antigen testing, SARS-CoV-2 variants and age-dependent infection rates among household and nonhousehold contacts, effect of COVID-19 vaccination on household transmission of SARS-COV-2 in the Omicron era, incid...

From ASM Microbe in Houston, Texas, Vincent speaks with Eddie Holmes about the evidence that SARS-CoV-2 spilled over into humans in the Huanan Market in Wuhan, absence of evidence for other origins, and his work on the virosphere. Host:  Vincent Racaniello Guest:  Eddie Holmes Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this episode Micr...

In his weekly clinical update, Dr. Griffin discusses the CDC vaccine advisory group recommending the newly approved RSV vaccines, association of culturable-virus detection and household transmission of SARS-CoV-2, prevention of COVID-19 following a single intramuscular administration of Adintrevimab, real-world effectiveness of Nirmatrelvir/Ritonavir on COVID-19, and COVID-19 convalescent plasma o...

Vincent travels to the University of Pennsylvania to meet up with Susan, Rick, Gigi and David to discuss the origin of SARS-CoV-2, how the FBI might have reached its conclusion on the matter, and public and political perception of scientific risk. Host:  Vincent Racaniello Guests:  Susan Weiss ,  Rick Bushman ,  Gigi Gronvall , and  David Joanson Subscribe (free): Apple Podcasts ,  Google Podcasts...

In his weekly clinical update, Dr. Griffin discusses surveillance to track progress toward poliomyelitis eradication, genetic stabilization of attenuated oral vaccines against poliovirus types 1 and 3, evaluation of Oseltamivir used to prevent hospitalization in outpatients with Influenza, viral emissions into the air and environment after SARS-CoV-2 human challenge, has COVID-19 threatened routin...

Vincent and Rich travel to Ft. Detrick to visit USAMRIID and speak with Todd, Crystal, John and Jay about their careers, their research, and the mission of the US Army Medical Institute of Infectious Diseases. Host:  Vincent Racaniello and Rich Condit Guests: Todd Bell , Crystal Burke , John Dye , and Jay Hooper Opinions, interpretations, conclusions, and recommendations are those of the panelists...

In his weekly clinical update, Dr. Griffin discusses estimates of SARS-CoV-2 seroprevalence and incidence of primary SARS-CoV-2 infections among blood donors, by COVID-19 vaccination status, smart thermometer–based participatory surveillance to discern the role of children in household viral transmission during the COVID-19 pandemic, COVID-19 vaccine mandates, changing severity and epidemiology of...

TWiV reviews remarkable changes in the epidemiology of avian H5N1 influenza virus leading to previously uninfected areas, involvement of previously unaffected wild birds, and devastating outbreaks in farmed poultry, and isolation of a monoclonal antibody against the influenza virus neuraminidase that inhibits infection with a wide range of A and B isolates. Hosts:  Vincent Racaniello ,  Alan Dove...

In his weekly clinical update, Dr. Griffin discusses the potential for recurrent Mpox outbreaks among gay, bisexual, and other men who have sex with men, association between SARS-CoV-2 variants and frequency of acute symptoms, prospective study of key correlates for household transmission of SARS-CoV-2, Pfizer's PAXLOVID™ receiving FDA approval for adult patients at high risk of progression to sev...

Vincent travels to Québec City, Canada and the 11th Aquatic Virus Workshop, where he speaks with Fred Aylward and Jed Furman about the research of their laboratories on the ecology and evolution of aquatic viruses and their microbial communities. Host:  Vincent Racaniello Guests: F rank  Aylward  and  Jed Fuhrman Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS ,  email Become a  patron...

In his weekly clinical update, Dr. Griffin discusses the CDC HIV surveillance report, FDA voted in favor of approving the Abrysvo vaccine, canine olfactory detection of SARS-CoV-2-infected humans, safety of the BNT162b2 COVID-19 vaccine in children aged 5 to 17 years, and statement on the antigen composition of COVID-19 vaccines. Subscribe (free):  Apple Podcasts ,  Google Podcasts ,  RSS ,  email...

Vincent travels to Montreux, Switzerland and the 16th International Nidovirus Symposium, where he speaks with Maria von Kerkhove, the face of COVID-19 for the World Health Organization, and Kanta Subbarao, Director of the WHO Collaborating Centre on Influenza in Melbourne. Host:  Vincent Racaniello Guests:  Kanta Subbarao  and  Maria von Kerkhove Subscribe (free): Apple Podcasts ,  Google Podcasts...

In his weekly clinical update, Dr. Griffin discusses variant specific clinical performance of a SARS-CoV-2 rapid antigen test with focus on omicron VOC, ventilation in buildings, COVID-19 mortality among selective serotonin reuptake inhibitor users, risk of post-acute sequelae of SARS-CoV-2 infection associated with pre-coronavirus disease obstructive sleep apnea diagnoses, trajectories of the evo...

TWiV explains genetic changes in nOPV2 strains that paralyzed children, outbreak of raccoon distemper in Toronto, EcoHealth Alliance gets its NIH grant back, and breakage at chromosomal fragile sites caused by the EBNA1 protein of Epstein-Barr virus as a mechanism for carcinogenesis. Hosts: Vincent Racaniello ,  Rich Condit ,  Kathy Spindler , and Angela Mingarelli Subscribe (free): Apple Podcasts...

In his weekly clinical update, Dr. Griffin discusses immunogenicity and tolerability of a bivalent virus-like particle norovirus vaccine candidate in children from 6 months up to 4 years of age, influenza hemagglutinin stem nanoparticle vaccine induces cross-group 1 neutralizing antibodies in healthy adults, COVID-19 surveillance after expiration of the public health emergency declaration, provisi...

TWiV reveals plankton-infecting relatives of herpesviruses in the sunlit oceans, and a vaccine encoding non-spike T cell antigens that protects animals from severe 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 Register for  AS...

In his weekly clinical update, Dr. Griffin discusses the U.S. Food and Drug Administration approving Arexvy: the first respiratory syncytial virus (RSV) vaccine approved for use in the United State, association between SARS-CoV-2 and metagenomic content of samples from the Huanan Seafood Market, researchers disagree over how bad it is to be reinfected and whether COVID-19 can cause lasting changes...

Vincent and Kathy travel to Atlanta for APHL ID Lab Con, a conference focused on the latest developments in detecti​​on and characterization of infectious diseases of public health concern, and speak with Megan, Ryan, and Kirsten about the workings of public health and clinical laboratories. Hosts:  Vincent Racaniello  and  Kathy Spindler Guests:  Megan Crumpler ,  Ryan Relich , and  Kirsten St. G...