Stomach Flu Going Around August 2024. Centers for disease control and prevention, national center for immunization and respiratory diseases. Outbreaks of norovirus, which causes vomiting and diarrhea, are on the rise.

Norovirus is a common, highly contagious virus that causes nausea, vomiting, abdominal pains, cramps and diarrhea. The norovirus, aka the stomach flu, is continuing to circulate, causing more cases in the u.s.