Investigating rare diseases gives researchers more clues about how the healthy immune system functions.

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.

When you put someone on therapy, you lower the level of virus such that it makes it very difficult for them to infect others.

We feel confident that there won't be an outbreak. The people who were around the patient are now being identified and traced by the CDC and by the state health authorities. ... you get people, you identify them, and you observe and monitor them daily to determine if they develop symptoms If they do, then you put them under isolation to determine if, in fact, they are infected. And if you do that properly, you can shut down any outbreak.

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

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

The launch of phase 1 Ebola vaccine studies is a first step in developing a vaccine that could be licensed and used in the field to protect not only the front line health care workers but also those living in areas where Ebola virus exists.