The models show that if you combine well-directed, targeted treatment with some social interventions like closing schools, ideally together with some vaccination, it's conceivable you'd be able to stop the epidemic.

The National Institute of Allergy and Infectious Diseases is an institute of the National Institutes of Health that is responsible predominantly for basic and clinical research in the diagnosis, treatment and prevention of immunologic and infectious diseases.

An AIDS-free generation would mean that virtually no child is born with HIV; that, as those children grow up, their risk of becoming infected is far lower than it is today; and that those who become infected can access treatment to help prevent them from developing AIDS and from passing the virus on to others.

You have to prepare for the worst, but it's entirely conceivable that we could have a moderate one. You have to prepare for a horrendous problem, but the general public shouldn't assume that we're going to see the worst case.

The good news is that we have a vaccine that can induce an immune response. But the sobering news is . . . we have a long way to go.

I think there was always rather intense interest at the level of the [HHS] department. Influenza has always been at the very top of my short list of things to be concerned about.