Infectious Diseases, Explained

Caused by bacteria, viruses, fungi, and other organisms, infectious diseases range from mild to life-threatening. They can be spread from person to person, transmitted by insects or animals, or picked up through contaminated food. Many can be prevented with vaccines.

Featured Stories

Seattle Coronavirus Cases Beginning to Slow After Strict Stay-at-Home Measures

The city had the first reported case of the virus in the U.S., and has since been able to reduce the spread, early data shows
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16 Celebrities Who Have Tested Positive for Coronavirus

From Tom Hanks to Prince Charles, here are some of the most well-known victims of COVID-19.
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People With Asthma Have a Higher Risk of Coronavirus Complications—Here's What to Know

COVID-19 takes a toll on the lungs, and there's a shortage of "rescue" inhalers in some places because of the pandemic. Here's how to stay safe.
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More Infectious Diseases


I'm Pregnant in a Coronavirus Containment Zone And Here's What My Life is Like

My family and I moved to New Rochelle just before it turned into a containment zone because of the coronavirus. I've lived in fear of any of us testing positive. And now, less than a month before my due date, I'm also scared my husband won't be by my side as I give birth.