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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.


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 MRSA Works

MRSA, also called the superbug, is a bacterium becoming resistant to antibiotics. Read about treating MRSA infections and how MRSA can be controlled. See more »

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 »

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 »

Malaria Overview

If you're a mother in tropical Africa, a biting mosquito is one of your worst fears, because it can transmit malaria. Learn about this serious, often fatal disease and find out why it's one of the world's most pressing public health concerns. See more »

Infectious Diseases 101

Your body is constantly dealing with microorganisms, its own and those introduced from the outside. Some microorganisms can cause what are called infectious diseases. Learn how the body deals with them. See more »

If you symptoms of the pneumonic plague, you should seek expert help immediately. Check out facts, tips, and preventative information about the pneumonic plague. See more »

It was said that the cause of the black plague was a particularly sinister alignment of the planets, or a foul wind created by recent earthquakes. Learn more about the history of the black plague and how this disease spread. See more »

West Nile Virus Overview

Ever since West Nile Virus arrived in the United States, it's been treated as a serious, growing threat. This virus, transmitted by mosquitoes, is potentially deadly -- but what are your chances of contracting it? See more »

Flu is short for influenza virus. Learn how the flu virus works and why antibiotics won't help you fight it. See more »