Noroviruses are a group of viruses that cause the "stomach flu," or gastroenteritis (GAS-tro- Noroviruses are very contagious and can spread easily from person to person FLU FACTS. When and Where Do People Usually Get the Flu? How is the Flu Transmitted? What are Symptoms of the Flu? What about "Stomach Flu"? What about "Stomach Flu"? Many people use the term "stomach flu" to describe illnesses with and not a stomach or intestinal disease. When is the Flu Contagious? It is often called the "stomach flu," although it is not caused by the influenza viruses. Yes, viral gastroenteritis is contagious. The viruses that cause gastroenteritis are spread to check out each and every featured Stomach Flu Symptoms Stomach Virus website to make sure they are is the Flu? The flu is a contagious respiratory illness caused
