Vincent, Alan, Rich, and Kathy discuss recent outbreaks of hantavirus pulmonary syndrome in Yosemite National Park and novel swine-origin influenza in the US midwest, and isolation of the Heartland virus from two patients in Missouri with severe febrile illness.

Vincent and Alan discuss cap-snatching by the hantavirus N protein and the influenza virus endonuclease, HIV-1 and Ebola virus antagonism of tetherin, and influenza pneumonia.