Norovirus is a highly contagious virus that causes gastroenteritis, which leads to inflammation of the stomach and intestines. It’s a leading cause of foodborne illnesses worldwide, often resulting in sudden vomiting, diarrhea, and stomach cramps. Though commonly referred to as “stomach flu,” norovirus is not related to the influenza virus, which causes respiratory illnesses.This virus spreads rapidly, making it a frequent issue in crowded environments like cruise ships, schools, dayc