This time of year is prime season for these fast-spreading illnesses.

Add Yahoo as a preferred source to see more of our stories on Google. Norovirus is highly contagious and causes symptoms like vomiting and diarrhea. LaylaBird via Getty Images Norovirus cases have ...

What happens when just the thought of being sick makes you want to throw up... but you have a deep-seated phobia of anything and everything to do with vomit, both yours and other people's? According ...

The color of a person’s vomit can vary depending on its cause. While some may be cause for concern, most vomit colors do not indicate a need for medical attention. People may experience nausea and ...

The stomach bug that causes people, especially children and older adults, to vomit and suffer from diarrhea is sweeping across Connecticut, say infectious disease doctors. So wash your hands and keep ...

A Caribbean vacation took an unpleasant turn for dozens of cruise passengers after a stomach virus spread across their ship.