Norovirus cases reach unprecedented levels, medical experts uncover lesser-known symptoms and share vital prevention ...

Rates of norovirus in that CDC system have reached levels at or above last season's peak in all regions of the country.

Norovirus, the highly contagious stomach bug that causes vomiting and diarrhea, is spiking across the US. What to know about symptoms and prevention.

Nearly 120 people on board a cruise ship that departed from Florida this month have become ill with norovirus, according to a ...