Symptoms For Stomach Flu 2024. Symptoms of norovirus can vary from person to person, but they generally include lots of gastrointestinal discomforts and inflammation of the stomach and intestines. Most healthy people will have recovery.

Sudden or unexpected vomiting that’s not bloody (red) diarrhea that’s also usually not bloody; The most common symptoms of norovirus are diarrhea, vomiting, stomach pain, and nausea.