TWiV discusses presence of infectious avian H5N1 influenza virus in raw milk from infected dairy cows. dynamics of measles immunity from birth and following vaccination, and a mechanism for cis-preferential reverse transcription revealed by deep mutational scanning of hepatitis B virus.
Richard Webby joins TWiV to review the history of avian H5N1 influenza virus, the recent change in epidemiological patterns, infection of dairy cattle in the US, and the risk of an outbreak in humans.
TWiV explains a study of postacute sequelae of COVID-19 at 2 years, and airborne transmission of human-isolated avian H3N8 influenza virus between ferrets.
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…
TWiV explores the properties of the spike glycoproteins of an influenza B virus discovered in the Wuhan spiny eel, and protection against SARS-CoV-2 infection one year after mRNA-1273 vaccination of nonhuman primates.
The TWiVers reveal influenza virus replication in the ferret mammary gland and spread to a nursing infant, and selection of transmissible influenza viruses in the soft palate.
Vincent, Rich, Alan and Kathy review H7N9 infections in China, the debate over patenting genes, and receptor-binding by ferret-transmissible avian H5 influenza virus.
Vincent, Dickson, and Alan discuss STEP HIV-1 vaccine failure caused by the adenovirus vector, presence of West Nile virus in kidneys for years after initial infection, adaptation of the influenza viral RNA polymerase for replication in human cells, and the significance of the D225G change in the influenza HA protein.