See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Norovirus is the leading cause of acute gastroenteritis in the United ...

Add Yahoo as a preferred source to see more of our stories on Google. A highly contagious stomach virus sickened dozens of hikers since mid-May along the popular Pacific Crest Trail, which winds ...

Add Yahoo as a preferred source to see more of our stories on Google. Southbound hikers walk toward Pinchot Pass on the Pacific Crest Trail in California. (David Madison / Getty Images file) Flu ...

News of recent outbreaks aboard cruise ships has once again put viral infections in the spotlight. Over 100 passengers and crew members reportedly fell sick during a norovirus outbreak on the ...

Norovirus spreads rapidly through contaminated food, water and surfaces. A gastrointestinal surgeon explains how travellers ...

There have been reports of severe sickness reported on the Appalachian Trail, according to a post on social media by Shenandoah National Park. "Norovirus is the suspected cause and is very contagious, ...

Norovirus, sometimes referred to as the stomach flu or the “cruise ship virus,” is still in high circulation in several Bay Area regions, and health experts say that rates could increase with the ...

A highly contagious stomach virus sickened dozens of hikers since mid-May along the popular Pacific Crest Trail, which winds through wilderness east of Burney and cuts west near Dunsmuir, Mount Shasta ...

Shenandoah National Park warns hikers of a contagious norovirus outbreak. Learn how to stay safe on the trail.