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

Early rumors claimed that having HIV doesn't mean that you necessarily have AIDS. Is there any truth to this?

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  • 5 Infectious Diseases You Might Get in the ER
    5 Infectious Diseases You Might Get in the ER

    Most of us probably think of the emergency room as a place to get help. But what about all those germs? Here, five infectious diseases you might get in an ER. See more »

  • 5 Myths About Swine Flu
    5 Myths About Swine Flu

    When a subject dominates the news, you can be sure that everyone's got an opinion about it. Unfortunately, some of those opinions are bound to be based on pure misinformation -- so what do you have wrong about swine flu? See more »

  • 5 Ways to Prevent Swine Flu
    5 Ways to Prevent Swine Flu

    So you've heard all the hype about H1N1 and have no interest in being infected with a combination swine-avian-human influenza monster virus. What are the best ways to go about avoiding it? See more »

  • AIDS Overview
    AIDS Overview

    Many world leaders agree that we're losing the war on AIDS. AIDS is one of the deadliest human diseases ever -- worldwide, it claims approximately 5 lives every minute of every day. Learn how the AIDS virus attacks the body. See more »

  • Are we on the brink of an AIDS vaccine?
    Are we on the brink of an AIDS vaccine?

    A research group in Atlanta has developed an AIDS vaccine that shows 96 percent effectiveness in non-human, pre-clinical trials. It's already in Phase I human trials and could be on the market within four years. See more »

  • Bird Flu
    Bird Flu

    If you've kept up with the news lately, you've probably heard dire warnings about avian flu, or bird flu. In this article, we'll review the basics of how viruses and influenza work, and we'll learn the answers to these and other questions about avian flu, including whether it is likely to cause a global flu epidemic. See more »

  • Can I get AIDS from a mosquito bite?
    Can I get AIDS from a mosquito bite?

    Since AIDS is carried through the blood, what are the chances of contracting it from a mosquito bite? See more »

  • Does male circumcision up the risk of male-to-female HIV transmission?
    Does male circumcision up the risk of male-to-female HIV transmission?

    The giddiness over studies showing that circumcision reduces a man's risk of contracting AIDS from an infected woman has died down a bit in the wake of subsequent research. It appears that a woman's risk of contracting AIDS from an infected man may be greater if he's circumcised. See more »

  • How did swine flu get its name?
    How did swine flu get its name?

    This little piggy went to market, this little piggy stayed home and this little piggy gave us swine flu? Wrong. The swine flu of 2008 and 2009 doesn't even come from pigs. So why do we call it that? See more »

  • How do infections go airborne?
    How do infections go airborne?

    There's a reason why the person hacking a lung up on public transportation is subject to such dirty looks -- he or she is subjecting the whole bus or train car to infection. But how do infections just hang in the air? See more »

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SYMPTOM CHECKER

DISEASES A-Z

Learn more about what ails you. Here are some common symptoms.

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Common Symptoms: