Like HowStuffWorks on Facebook!

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.

Herpes Gladiatorium Is One Disease That Goes to the Wrestling Mat

Surprisingly, you can get herpes from a wrestling mat. HowStuffWorks Now explains how. See more »

How Zika Virus Works

So just how bad is the Zika virus outbreak, and is it really connected with cases of microcephaly? Learn more about at HowStuffWorks. See more »

Charlie Sheen's HIV Disclosure Measurably Raised Public Awareness

Researchers measured the "Charlie Sheen effect," analyzing how his HIV announcement spurred interest. Learn more in this HowStuffWorks Now article. See more »

We're So Close to Eradicating Polio! Here's Why The Last Few Hurdles Are Tricky

What changes will we have to make for the final stage in the battle against polio? Learn more about polio vaccines in this HowStuffWorks Now article. See more »

WHO: Zika Outbreak Is a Global Health Emergency

WHO calls Zika outbreak an international public health emergency. Meanwhile Zika has been sexually transmitted in the U.S. for the first time. See more »

How do diseases jump from infecting animals to infecting humans?

Many diseases jump from infecting animals to infecting humans, sometimes with deadly consequences. See what you need to know about the spread of disease. See more »

Why are highly contagious diseases kept in labs?

Highly contagious diseases are often kept in labs, and some researchers insist it's with good reason. Find out why contagious diseases are kept in labs. See more »

Is the plane that transports Ebola patients completely safe?

Ebola patients transported out of Africa don't fly on regular commercial or private planes. Find out if the Ebola patient plane is safe at HowStuffWorks. See more »

Does Ebola affect people who are Rh-negative?

Can you get Ebola if you're Rh-negative? Learn about the connection between Ebola and being Rh-negative at HowStuffWorks. See more »

5 Diseases That Don’t Spread the Way We Used to Think

Some illnesses we have gotten wrong over the years. See five diseases that don't spread the way we used to think to learn more. See more »