What causes infection with noroviruses?
Noroviruses generally spread through contaminated water and foods, although they can also pass from person to person. You may become infected by: • Eating foods or drinking liquids that are contaminated with norovirus. Shellfish and salad ingredients are the foods most often infected with the viruses. Food other than shellfish may be contaminated by food handlers. • Touching surfaces or objects contaminated with norovirus, and then placing your hand in your mouth. • Having direct contact with someone who is infected. For example, if you are a caregiver or share foods or utensils with someone who is ill, you may become infected. Persons working in day care centers or nursing homes should pay special attention to children or residents who have norovirus illnesses. This virus is very contagious and can spread rapidly throughout these environments. What are the symptoms? The symptoms of gastroenteritis caused by the noroviruses include nausea, vomiting, diarrhea, and abdominal pain. Diarrh
