Health | Diseases & Conditions | Infectious Diseases

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.

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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?


HIV/AIDS

HIV/AIDS

What are the definitions of HIV and AIDS terms? Learn about the symptoms and spreading of HIV and AIDS. See more »

If you have HIV, does it mean you have AIDS, too?

If you have HIV, does it mean you have AIDS, too?

A friend of mine told me that just because you have HIV doesn't mean you have AIDS. Is this true? See more »

Can I get AIDS from a mosquito bite?

Can I get AIDS from a mosquito bite?

Can I get AIDS from a mosquito bite? See more »

What is foot-and-mouth disease?

What is foot-and-mouth disease? See more »

How long can a germ live in a room?

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

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 »