People of all ages are susceptible to getting infected and sick with norovirus. According to the Centers for Disease Control and Prevention (CDC), it is the leading cause of vomiting and diarrhea, and foodborne illness in the United States. The agency also warns that infection with one type of norovirus may not protect an individual against other types., , , , Norovirus is very contagious and spreads easily and quickly in different ways. For example, people can get norovirus by accidentally g...