Stomach Flu Symptoms 2024 Symptoms. Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and sometimes fever. It is not related to influenza, but rather usually the result of infections by viruses,.

Anyone infected with norovirus is urged to avoid contact with others. It could be food poisoning or the equally unwelcome stomach bug that’s causing the.