Norovirus is a highly contagious virus and a leading cause of gastroenteritis (inflammation of the stomach and intestines). This virus spreads rapidly through contaminated food, water, or surfaces, as ...

Add Yahoo as a preferred source to see more of our stories on Google. Almost every winter, norovirus outbreaks spread throughout the U.S. Norovirus – or what some call the "stomach flu" – can happen ...

As the leading cause of viral gastroenteritis worldwide, norovirus is an all too familiar ailment. Its telltale digestive upset — not to mention its reputation for being notoriously contagious — has ...