Norovirus, the infamous "winter vomiting disease," is surging again across the United States. Norovirus is a highly contagious stomach bug that causes sudden, often violent bouts of diarrhea and ...

Wondering if you’re still contagious? Doctors explain the typical timeline for a cold.

Three dead after suspected hantavirus outbreak on cruise ship. Here's what to know about how hantavirus is transmitted, symptoms and mortality rate.

Three people have died in association with the vessel, and health officials have identified a total of two confirmed cases ...

Add Yahoo as a preferred source to see more of our stories on Google. If you test positive for COVID-19, learn that a loved one has been infected or find out you’ve been exposed to someone with the ...

When the flu strikes, one of the biggest concerns is how long you might be contagious. Knowing this can help protect your family, friends, and coworkers from catching the virus. This guide from ...

Answers to a range of questions about the disease, which can cause severe symptoms in babies and young children.

The Sunday fixture at Plumpton in Sussex was abandoned after a non-thoroughbred horse at a nearby livery yard was confirmed ...