You help someone's health, and you prevent them from infecting others.

Previous efforts to eradicate malaria failed for several reasons, including political instability and technical challenges in delivering resources, especially in certain countries in Africa.

The immune systems goal is to protect the body against invaders either from without, such as microbes, or from within, such as cancers and different types of neoplastic transformation.

Better ways to diagnose, treat and prevent E. coli 0157:H7 infections are badly needed.

I enjoy very much communication. I think that scientists need to communicate.

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

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.