The Pacific Crest Trail Association is asking hikers to complete a health survey after a recent illness struck Southern ...

A new national wastewater map is offering a window into the spread of the highly contagious norovirus across the United States.

Multiple regions of the U.S. have encountered outbreaks of norovirus, according to a new report by NBC News ...

A highly contagious virus known for causing sudden vomiting and diarrhoea is once again spreading across the United States, ...

Though it is commonly called the "winter vomiting disease," norovirus outbreaks are still cropping up around the country in late May.

A highly contagious stomach bug is showing up in a way that can catch communities before doctor visits do. WastewaterSCAN data showed high norovirus levels nationally, including in the Northeast, ...

Will the upcoming norovirus season be just as early and active as the past year? While the answer may be anyone’s guess right now, federal health officials recently warned that the dominant strain of ...

Norovirus can cause nausea, vomiting and diarrhea and is highly transmissible. Nearly 100 passengers and crew aboard Royal Caribbean’s Serenade of the Seas recently contracted norovirus during a ...

Norovirus is a highly contagious virus that causes gastroenteritis, an inflammation of the stomach and intestines. It spreads primarily through contaminated food or water, surfaces, and close contact ...

A norovirus-like illness is spreading within the Broome County Correctional Facility, with more than 140 reported cases.