This Week in Virology

From the Centers for Excellence in Influenza Research and Response meeting in Baltimore, Vincent speaks with Ron Fouchier, Rafael Medina, and Louse Moncla about recent changes in the epidemiology of avian H5N1 influenza virus and the threat to humans and other animals. Host:  Vincent Racaniello Guests:  Ron Fouchier ,  Rafael Medina , and  Louise Moncla Subscribe (free): Apple Podcasts ,  Google P...

In his weekly clinical update, Dr. Griffin discusses disease severity of RSV compared with COVID-19 and Influenza among hospitalized adults aged ≥60 years, antiviral efficacy of Molnupiravir versus ritonavir-boosted nirmatrelvir in patients with early symptomatic COVID-19, Nirmatrelvir-Ritonavir and COVID-19 mortality and hospitalization among patients with vulnerability to covid-19 complications,...

TWiV reviews the 2023 Nobel Prize in Physiology or Medicine awarded to Katalin Karikó and Drew Weissman for their identification nucleoside base modifications that enabled the development of effective mRNA vaccines against COVID-19, and accelerated mutation of SARS-CoV-2 in white-tailed deer. Hosts:  Vincent Racaniello ,  Dickson Despommier ,  Alan Dove , and  Angela Mingarelli Subscribe (free): A...

In his weekly clinical update, Dr. Griffin discusses the effectiveness of maternal mRNA COVID-19 vaccination during pregnancy against COVID-19–associated hospitalizations in infants aged

TWiV explains how immune profiling was used to identify distinguishing features of Long COVID, and how a co-opted feline endogenous retroviral envelope promotes cell survival by controlling copper transport and homeostasis in cats. Hosts:  Vincent Racaniello ,  Alan Dove ,  Rich Condit , and  Brianne Barker Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS ,  email Become a  patron  of TW...

In his weekly clinical update, Dr. Griffin discusses a molnupiravir-associated mutational signature in global SARS-CoV-2 genomes, inhaled fluticasone furoate for outpatient treatment of COVID-19, optimal duration of systemic corticosteroids in COVID-19 treatment, early antibody treatment, inflammation, and risk of post-COVID conditions, autonomic dysregulation in long-term patients suffering from...

TWiV explains a study of postacute sequelae of COVID-19 at 2 years, and respiratory droplet transmission of human-isolated avian H3N8 influenza virus between ferrets. 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 MicrobeTV Discord Server Micr...

In his weekly clinical update, Dr. Griffin discusses wastewater surveillance data as a complement to emergency department visit data for tracking the incidence of influenza A and RSV, chatbot-delivered online intervention to promote seasonal Influenza vaccination during the COVID-19 pandemic, temporal assessment of disparities in California COVID-19 mortality by industry, modeling the impact of a...

TWiV reviews a Lassa virus mRNA vaccine that confers protection against disease without inducing neutralizing antibodies, and a CRISPR-based method for engineering the genome of RNA viruses. Hosts:  Vincent Racaniello ,  Alan Dove ,  Rich Condit ,  Brianne Barker , and Angela Mingarelli Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this ep...

In his weekly clinical update, Dr. Griffin discusses the immunogenicity and reactogenicity of coadministration of COVID-19 and Influenza vaccines, interim effectiveness estimates of 2023 southern hemisphere influenza vaccines in preventing Influenza-associated hospitalizations, genome-wide association study of susceptibility to RSV hospitalization in young children

From the European Society for Clinical Virology meeting in Milan, Vincent speaks with Marion Koopmans about COVID-19, Mpox, H5N1 and polio, and the promise of a One Health approach to prevent outbreaks, epidemics, and pandemics. Host: Vincent Racaniello Guest: Marion Koopmans Click arrow to play Download  TWiV 1043  (45 MB .mp3, 62 min) Subscribe (free):  Apple Podcasts ,  Google Podcasts ,  RSS ,...

In his weekly clinical update, Dr. Griffin discusses China's health authorities fighting surge in cases of Mpox unknown origin, analysis of seasonal variation of antibiotic prescribing for respiratory tract diagnoses in primary care practices, prevalence and associated outcomes of co-infection between SARS-CoV-2 and influenza, comparison of bivalent and monovalent mRNA vaccine boosters, optimal du...

Vincent speaks with Raul and Kostya about the development of novel oral polio vaccine from the Sabin type 2 strain, its deployment in over 600 million children, and whether it can lead to eradication of poliomyelitis. Host:  Vincent Racaniello Guests:  Raul Andino  and  Kostya Chumakov Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this epi...

In his weekly clinical update, Dr. Griffin discusses the public health significance of finding autochthonous melioidosis cases in the continental United States, human neural larva migrans caused by  Ophidascaris robertsi ascarid, Project nextgen awards over $1.4 billion to develop the future of COVID-19 vaccines and therapeutics, excess all-cause mortality in China after ending the zero COVID poli...

TWiV describes how a viral capsid protein activates a bacterial innate immune system that interferes with protein synthesis, and human-associated redondoviruses that infect the commensal protozoan  Entamoeba gingivalis . Hosts:  Vincent Racaniello ,  Dickson Despommier ,  Rich Condit ,  Kathy Spindler , and  Jolene Ramsey Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS ,  email Become a...

In his weekly clinical update, Dr. Griffin discusses modeling poliovirus transmission and responses in New York State, FDA approves first vaccine for pregnant individuals to prevent RSV in infants, prevention and control of seasonal influenza with vaccines: recommendations of the Advisory Committee on Immunization Practices, Nirmatrelvir resistance – de novo E166V/L50V mutations in an immunocompro...

TWiV reviews evidence that symptomatic adenovirus infection leads to thrombocytopenia, thrombosis, and production of anti-platelet factor 4 antibodies similar to the rare disorder seen after immunization with adenoviral vectored COVID-19 vaccines, and a monoclonal antibody isolated from a SARS survivor, following vaccination with a SARS-CoV-2 spike mRNA vaccine, that neutralizes a broad collection...

In his weekly clinical update, Dr. Griffin discusses Florida local transmission of dengue cases reported in Broward and Miami-Dade counties, infants admitted to US intensive care units for RSV infection during the 2022 seasonal peak, long-term risk of death and readmission after hospital admission with COVID-19 among older adults, safety profile and clinical and virological outcomes of Nirmatrelvi...

TWiV dissects a study of COVID-19 vaccination which shows that the timing of initial rollout affects disease outcomes more substantially than final coverage or degree of socioeconomic disparity, and discovery of a novel cellular defense comprising a nuclease that is activated by poxvirus infection and cleaves a specific tRNA molecule to inhibit protein synthesis. Hosts:  Vincent Racaniello ,  Rich...

In his weekly clinical update, Dr. Griffin discusses the immunogenicity, safety, and preliminary efficacy evaluation of OVX836, a nucleoprotein-based universal influenza A vaccine candidate, association between nose picking and SARS-CoV-2 incidence, a cohort study in hospital health care workers; effect of COVID-19 vaccination and booster on maternal-fetal outcomes, dynamics of inflammatory respon...

Vincent speaks with Desirée Townsend about how she felt used and indoctrinated by the anti-vaxx movement, the science surrounding her autoimmune disorder, and why she is no longer the "flu shot cheerleader," but a cheerleader for flu shots. Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS ,  email Become a  patron  of TWiV! Links for this episode Desiree on  Instagram  and  LinkedIn 'Flu...

TWiV notes the passing of Harald zur Hausen, dengue breaking records in the Americas, inhibition of SARS-CoV-2 infection and inflammation by modulation of type I IFN, and an armed nanobody that protects mice against influenza A and B disease. Hosts:  Vincent Racaniello ,  Kathy Spindler , and  Angela Mingarelli Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RSS ,  email Become a  patron  o...

In his weekly clinical update, Dr. Griffin discusses predicting COVID-19 incidence using wastewater surveillance data, use of wastewater metrics to track COVID-19 in the US, wastewater-based epidemiology predicts COVID-19-induced weekly new hospital admissions in over 150 USA counties, association between duration of SARS-CoV-2 positivity and long COVID, rapid direct detection of SARS-CoV-2 aeroso...

TWiV notes the passing of virologist Michael BA Oldstone, a study to assess the performance of rapid antigen tests to detect symptomatic and asymptomatic SARS-CoV-2 infection, and the presence of antibodies to type I interferons in ~40% of patients with West Nile virus encephalitis. Hosts:  Vincent Racaniello ,  Rich Condit , and  Alan Dove Subscribe (free): Apple Podcasts ,  Google Podcasts ,  RS...

In his weekly clinical update, Dr. Griffin discusses the use of RSV vaccines in older adults: recommendations of the advisory committee on immunization practices, case report of leprosy in Central Florida, blood group A enhances SARS-CoV-2 infection, predicting COVID-19 incidence using wastewater surveillance data, a common allele of  HLA associated with asymptomatic SARS-CoV-2 infection, prevalen...