http://www.cdc.gov/od/science/iso/concerns/faq_rotavirus.htm
Centers for Disease Control and Prevention, U.S. Department of Health and Human Services
This page presents frequently asked questions about rotavirus disease and vaccine. Rotavirus is a virus that causes severe diarrhea, often accompanied by vomiting, fever, and dehydration, mostly in babies and young children. The page includes information on what the symptoms of rotavirus disease are, how rotavirus disease is treated, how the vaccine is given, and how well rotavirus vaccine works to prevent rotavirus disease.