Is it possible for adults to contract rotavirus? What are the symptoms in adults?

Yes. Rotavirus infection of adults is usually asymptomatic but may cause diarrheal illness. Outbreaks of diarrheal illness caused by rotavirus have been reported, especially among elderly persons living in retirement communities. For more information on this issue see www.cdc.gov/mmwr/pdf/wk/mm6042.pdf, page 1456.