Infectious Diseases

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

4 Women on How They're Fighting the Coronavirus Pandemic on the Frontlines

When much of the country went into isolation, these women stepped up to fight COVID-19 in unique and powerful ways—and they say they won’t stop until we beat this thing.

The Link Between Blood Type and COVID-19 Risk, Explained

Quite a bit of research has been published lately about blood type and COVID-19 risk. Here, experts weigh in on what you really need to know.

More Infectious Diseases