Stomach Flu May 2024. Outbreaks of norovirus, which causes vomiting and diarrhea, are on the rise. Here's what you need to know if you think you have the norovirus, commonly called the stomach flu or stomach bug, and how to prevent spreading the sickness.
It is the leading cause of foodborne illness in the united states. Stomach flu causes gastrointestinal (gi) symptoms like diarrhea, abdominal cramps and nausea.