You can have an epidemic in a state. You can have it in a region. You can have it in a country where the critical level of disease passes a certain threshold and we call that an epidemic threshold.

A pandemic influenza would mean widespread infection essentially throughout every region of the world.

I think, collectively, we should be paying more attention to what is going on around us in the world among people who dont have the advantages that we have.

Although it is still important to develop an HIV vaccine, we have significant tools already at our disposal that can make a major impact on the trajectory of this epidemic.

Science is telling us that we can do phenomenal things if we put our minds and our resources to it.

Certainly the support for research in HIV/AIDS was good in the Clinton administration, good in the Bush administrations. It just was.

The worst potential bio-terrorist is nature itself.