Stomach Flu 2024 Symptoms Reddit. Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and. Norovirus symptoms typically include diarrhea, vomiting, nausea and stomach pain.

The flu is a highly contagious respiratory illness that affects the nose, throat, and sometimes the lungs, caused by the influenza virus. Learn how to tell the two illnesses apart.