Stomach Bug October 2024 Usa. Its symptoms, which include nausea, chills, fever, vomiting and diarrhea, can start as early as 12 hours after infection but typically appear within one to two days, according to nicole mahealani. Viral gastroenteritis, commonly known as stomach flu, is a bacterial infection that causes diarrhea, cramps, nausea, and vomiting.
The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or parasite. A cdc report published thursday found a norovirus.