Norovirus, often erroneously called the "stomach flu," sickens an estimated 21 million Americans and 685 million people ...

Wen: Symptoms of norovirus include nausea, vomiting, diarrhea and stomach cramps. Some people may also experience fatigue, ...

Despite millions of cases of norovirus in the U.S. each year—and a current surge in outbreaks—there is still no vaccine for ...

Health officials say norovirus affects all ages, but children and older adults are more at risk for severe outcomes, and are encouraging people to wash their hands thoroughly. Doctors say the virus ...