A common stomach bug is surging, according to new data from the US Centers for Disease Control and Prevention. In the week of December 5, there were 91 outbreaks of norovirus reported, up from 69 ...

Norovirus is highly contagious and causes vomiting and diarrhea. But, in the overwhelming majority of cases, people recover with no lasting consequences. Accessibility statement Skip to main content.

Norovirus is the leading cause of foodborne illness in the United States, responsible for 58 percent of such infections acquired in the country each year, according to the CDC.