Vincent, Dick, and Alan consider Reston ebolavirus in swine, historical perspective of H1N1 influenza virus emergence and circulation, Tamiflu-resistant H1N1, Tamiflu in Japanese river waters, transmission of H1N1 virus in ferrets, and pneumonia and respiratory failure from H1N1 in Mexico.

Vincent and Glenn Rall chat about koi herpesvirus, H1N1 influenza vaccine produced in insect cells, attack by a rabid raccoon, and measles.

Vincent, Alan, and Eric Freed talk about vesivirus contamination of bioreactors, pandemic influenza, maximizing the effect of vaccination by targeting children, chikungunya virus, and open access scientific journals.

Vincent, Alan, Dick, and Hamish Young discuss the 2009 influenza pandemic, first 2009 H1N1 vaccine, hunting mosquitoes with midges, vaccine-associated polio in India, and adenoviruses.

Vincent, Alan, and Stephen Morse discuss progressive vaccinia in a smallpox vaccinee, arsenic and influenza in mice, facemasks and flu transmission, and antigenic and genetic analyses of the new H1N1 influenza virus.

Vincent, Alan, Dick, and Raul Andino recorded TWiV live at the ASM General Meeting in Philadelphia, where they discussed increased arterial blood pressure caused by cytomegalovirus infection, restriction of influenza replication at low temperature by the avian viral glycoproteins, first isolation of West Nile virus in Pennsylvania, and current status of influenza.

Vincent, Alan, and Raul Rabadan converse about polio survivors in iron lungs, bocavirus, structure of mimivirus, and genome sequence analysis of influenza H1N1 viruses.