Bird flu, malaria, plague and West Nile virus are infectious diseases we've all heard of. Find information on these epidemics and more in this section.
How long can a germ live in a room?
How long can a germ live in a room? My son had a friend over, and the friend was coughing all over the house. How long can his germs infect people? See more »
5 Things You Don’t Know About HIV
HIV is a life-threatening disease that causes AIDS. But so many people don't know enough about it. Learn the top 5 things you didn't know about HIV. See more »
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