Cdc Stomach Bug 2025. Norovirus is a leading cause of acute gastroenteritis, or an inflammation of the lining of the stomach and intestines, per the cdc. Compare differences across the cdc systems used for reporting norovirus outbreaks.
Gastroenteritis is the inflammation of the stomach and intestines. If we look at cdc’s information, an estimated one in five unvaccinated people in the u.s.