Rotavirus
Rotavirus is a virus that causes diarrhea among persons in all age groups but is most common among children between six months and two years old. Symptoms of rotavirus include watery diarrhea, often with vomiting, fever, and stomach pain. Symptoms usually last from three to eight days. Other symptoms may include loss of appetite and dehydration (loss of body fluids). The symptoms usually appear one to three days after a person is infected with rotavirus. The virus is spread through eating or drinking food items contaminated with feces from an infected person. Rotavirus can also be spread by contaminated toys and other surfaces.