More than 500 people are in a 21-day quarantine and about 200 are "actively infected." The largest outbreak currently in the ...

California officials are warning Northern and Central Coast residents against foraging for mushrooms amid an outbreak of ...

Should you get a booster if you’ve been vaccinated? What are the early symptoms? Here’s the information you need about measles.

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

The outbreak occurred on Holland America's Rotterdam during a voyage from Dec. 28 to Jan. 9. The cruise line notified the CDC ...