What are common symptoms? And how can you keep from getting sick? Here’s what to know: Norovirus is a “very contagious” virus that causes acute gastroenteritis, an inflammation of the ...

Here’s what norovirus is, how it spreads, what the symptoms are and how long it lasts. What is norovirus? Is stomach flu the same as ... 900 people — mostly adults 65 or older — and causes ...