TWiV reviews measles outbreaks in England and Europe, 2 fatal Nipah virus cases in Bangladesh, yellow fever outbreak in Sudan, and discuss how the type of immunodeficiency influences the outcome of SARS-CoV-2 infection, and programming of alveolar macrophages by intestinal bacteria that influences severity of respiratory viral infection.

TWiV provides updates on the new coronavirus causing respiratory disease in China, the current influenza season, and the epidemic of African swine fever, including determination of the three-dimensional structure of the virus particle.