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 ...

It's possible the fact sheet was written before human-to-human transmission of hantavirus was first documented in one strain ...

The virus is clearly far less contagious than the coronavirus, scientists agree, but they have found cases where it spread ...

A mother's yawn may set off her unborn baby, too. (Westend61/Getty Images) Yawning is contagious. You've probably got one ...

UCSF expert Charles Chiu discusses rising measles cases, extreme contagiousness, and why 95% vaccination rates are vital for ...

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 ...

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

As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, many Americans will be checking to make sure they don’t have the ...

At least six passengers from the MV Hondius cruise ship have tested positive for the Andes strain of hantavirus.

Add Yahoo as a preferred source to see more of our stories on Google. Getting sick leading up to the holidays brings its own set of headaches. If you’re anything like me, you’ll be worried about ...

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

The common cold is a respiratory illness that can be caused by more than 200 different viruses, although rhinoviruses are the ...