Nathan Wolfe - We know there are certain types of viruses that are nasty - influenza, for

We know there are certain types of viruses that are nasty - influenza, for instance, is an area that is not a blindside. But a lot of viruses have come out of nowhere, like H.I.V., or to a certain extent SARS. Because we know we have the potential to be blindsided, we really have to investigate the unknowns.

- Nathan Wolfe

topic: Viruses, Nasty, Type, Sars, Influenza