This Week in Virology

In his weekly clinical update, Dr. Griffin and Vincent Racaniello are distressed by RFK Jr’s testimony in front of Congress, surges in rotavirus infections and the staggering number of people who believe in unproven claims about vaccines and science, before Dr. Griffin then deep dives into the measles outbreak, recent statistics RSV, influenza and SARS-CoV-2 infections, the Wasterwater Scan dashbo...

TWiV explains a study showing that the wildlife trade, including live-animal markets, is a major driver of animal-to-human pathogen transmission, and ecological vaccination, a strategy to prevent zoonotic spillover from bats. Hosts:  Vincent Racaniello ,  Alan Dove ,  Rich Condit , and Angela Mingarelli Subscribe (free): Apple Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this epis...

TWiV 1314: Clinical update with Dr. Daniel Griffin April 17, 2026 In his weekly clinical update, Dr. Griffin and Vincent Racaniello are dismayed but not surprised by poll results suggesting most Americans doubt vaccine safety, that the head of the CDC and NIH delayed release of a report on the safety of the COVID-19m vaccine, how Nature works to spread disease without the help of the lab and the a...

TWiV reviews evidence that influenza standard and high-dose vaccines reduce risk of Alzheimer’s dementia, and spread of deltaviruses by a viral Trojan horse mechanism. Hosts:  Vincent Racaniello ,  Alan Dove , and  Rich Condit Subscribe (free): Apple Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this episode Support science education  at MicrobeTV Positions in Rosenfeld Lab  (email...

In his weekly clinical update, Dr. Griffin and Vincent Racaniello are aghast at the CDC’s decision to no longer test for rabies and mpox and the revised charter for its the advisory committee on immunization practices, an outbreak of E. coli illness in raw cheese, before Dr. Griffin then deep dives into the measles outbreak, recent statistics RSV, influenza and SARS-CoV-2 infections, the Wasterwat...

Vincent visits the University of Kansas and speaks with Tony Fehr, Robin Orozco, Juergen Richt and Rob Unckless about their careers and the research ongoing in their laboratories. Host: Vincent Racaniello Guests:  Tony Fehr ,  Robin Orozco ,  Juergen Richt , and  Rob Unckless Subscribe (free): Apple Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this episode Support science educatio...

In his weekly clinical update, Dr. Griffin and Vincent Racaniello cover if the “five-second” rule for things that fall on the floor apply to surgical equipment, an outbreak of E. coli illness caused by raw cheese before Dr. Griffin then deep dives into the measles outbreak in South Carolina and Utah, recent statistics RSV, influenza and SARS-CoV-2 infections, the Wasterwater Scan dashboard, Johns...

TWiV explains why human papillomavirus vaccine-induced immunity can block infection, unlike all other vaccines, and how respiratory viral infections such as COVID and influenza prime accelerated lung cancer growth. Hosts:  Vincent Racaniello ,  Alan Dove ,  Rich Condit , and  Brianne Barker Subscribe (free): Apple Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this episode Support s...

In his weekly clinical update, Dr. Griffin and Vincent Racaniello talk about the resignation of a member of the advisory committee for immunization practices and the irony of his rationale that a judge slandered him, vaccinating dairy cattle against H5N1, illnesses resulting from drinking raw milk and the US norovirus outbreak, which is not cruise related, then Dr. Griffin deep dives into the meas...

TWiV reviews the structural basis for Rep-mediated adeno-associated virus DNA genome packaging, how influenza virus-infected myeloid cells travel to the heart and infect cardiomyocytes, leading to IFN-fueled heart damage. Hosts:  Vincent Racaniello ,  Rich Condit ,  Kathy Spindler , and  Brianne Barker Subscribe (free): Apple Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this episo...

In his weekly clinical update, Dr. Griffin and Vincent Racaniello chat about death of water fowl on Long Island, ‘renaming’ of the FDA adverse event monitoring system, lawsuits against RFK Jr and HHS for illegal changes in routine immunization practices, before Dr. Griffin deep dives into economic costs of not vaccinating against measles, the measles outbreak in South Carolina, Utah and ICE detent...

TWiV introduces sunshine virus of carpet pythons and its effect snakes after experimental infection, and development of a new tool to distinguish between naturally ocurring outbreaks and those that arise from lab accidents. Hosts:  Vincent Racaniello ,  Alan Dove ,  Rich Condit , and  Brianne Barker Subscribe (free): Apple Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this episode...

In his weekly clinical update, Dr. Griffin and Vincent Racaniello discuss the global spread of the ‘eradicated’ poliovirus, the suggestion of RFK’s autocratic ability to change vaccine policy and the ‘resignation’ for the second time of CBER director Vinjay Prasad, and zoonotic spillover of viruses without adaptation, before Dr. Griffin deep dives into economic costs of not vaccinating against mea...

TWiV reviews an association between shingles vaccination and slower biological aging, and how mucosal immunization in mice provides protection against disease caused by diverse viruses and bacteria. Hosts:  Vincent Racaniello ,  Alan Dove ,  Rich Condit , and  Brianne Barker Subscribe (free): Apple Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this episode Support science education...

In his weekly clinical update, Dr. Griffin and Vincent Racaniello talk about the health misconceptions that RFK Jr continues to perpetuate and how to combat them, first cases of highly pathogenic influenza in the California elephant seal population before Dr. Griffin deep dives into economic costs of not vaccinating against measles, the measles outbreak in South Carolinaand Utah, ICE detention cen...

TWiV reviews lymphocytic choriomeningitis virus seroprevalence among urban pregnant women and newborns in Philadelphia, and a functional translation initiation complex encoded in the genome of giant viruses that drives synthesis of viral structural proteins. Hosts:  Vincent Racaniello ,  Rich Condit ,  Kathy Spindler,  and Angela Mingarelli Subscribe (free): Apple Podcasts ,  RSS ,  email Become a...

In his weekly clinical update, Dr. Griffin and Vincent Racaniello discuss several states and the governor of Pennsylvania suing HHS over changes in the childhood vaccination schedule, the vaccine derived type 2 poliovirus outbreak in Pakistan and implications for the global withdrawal of the oral poliovirus vaccine, and the outbreak of Candida, then Dr. Griffin deep dives into recent statistics RS...

TWiV explains how vaccine-induced thrombotic thrombocytopenia develops from antibodies to adenovirus and somatic hypermutation, and castration by a viral protein tyrosine phosphatase that targets a host cell cycle checkpoint protein. Hosts:  Vincent Racaniello ,  Alan Dove ,  Rich Condit , and  Brianne Barker Subscribe (free): Apple Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for thi...

In his weekly clinical update, Dr. Griffin and Vincent Racaniello discuss reversal of last week’s no review decision on a flu mRNA vaccine by Vinjay Prasad, appointment of Jay Bhattacharya as CDC director, no experience required, and already detectable reduction in hepatitis B virus vaccination rates, then Dr. Griffin then deep dives into recent statistics on RSV, influenza and SARS-CoV-2 infectio...

TWiV explains the observation that filamentous virions act as non-infectious interfering particles to modulate papillomavirus infection, and transmission of monkeypox virus from fire-footed rope squirrels to sooty mangabeys. Hosts:  Vincent Racaniello ,  Alan Dove ,  Kathy Spindler , and  Brianne Barker Subscribe (free): Apple Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this epis...

In his weekly clinical update, Dr. Griffin and Vincent Racaniello are shocked by recent events, including Dr. Oz’s appeal for measles vaccination, Vinjay Prasad’s unilateral rejection of Moderna’s mRNA influenza vaccine application, and the increasing number of New World screw worm cases, then Dr. Griffin then deep dives into recent statistics on RSV, influenza and SARS-CoV-2 infections, the Waste...

TWiV reviews a survey conducted in Cambodia's floating villages to explore measles vaccination perceptions and willingness to consider novel vaccination approaches, and how a prophage defends against an infecting phage. Hosts:  Vincent Racaniello , Rich Condit , Brianne Barker, and Jolene Ramsey Subscribe (free): Apple Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this episode Supp...

In his weekly clinical update during Ground hog week, Dr. Griffin and Vincent Racaniello are back to discuss the measles outbreak in South Carolina, American Academy of Pediatrics vaccine recommendations and shingles vaccine and the reduction of dementia, then deep dives into recent statistics RSV, influenza and SARS-CoV-2 infections, the Wastewater Scan dashboard, Johns Hopkins measles tracker, w...

TWiV reviews the finding in Sweden that immunization against cervical cancer with human papillomavirus vaccine also protects the non-immunized, and methyl salicylic acid as a key volatile molecule that attracts parasitoid wasps to rice and other crops to destroy destructive leafhoppers, and is down-regulated by virus infection to enable virus spread. Hosts:  Vincent Racaniello ,  Rich Condit , and...

In his weekly clinical update, Dr. Griffin and Vincent Racaniello discuss with disgust the decline and fall of American public health and the rise of “only me” when highlighting completion of the US withdrawal from the WHO and possibility of making IPV and MMR optional vaccines, before Dr. Griffin then deep dives into recent statistics RSV, influenza and SARS-CoV-2 infections, the Wasterwater Scan...