Stomach Bug May 2024 News. The bug, which causes intense but blessedly short episodes of vomiting and diarrhea — with or without a brief period of fever, chills, and body aches — has been on. Outbreaks surged this winter after the holidays, but cases of the nasty.

Norovirus is the most common cause of. The agency calls the new form of the stomach bug, which causes the diarrheal condition known as shigellosis, a “serious public health threat.” evidence.