It is highly infectious. The incubation period, from exposure to the development of the first symptom, is usually 1 to 3 days. Rotavirus is contagious during the stage of active symptoms and later with viral shedding from 8 to 10 days after the onset of symptoms. A physician diagnoses rotavirus based on the clinical symptoms, medical history and a positive stool culture. Treatment Rotavirus is a viral infection and is not treated with antibiotics.
Treatment is aimed at preventing dehydration with oral or intravenous fluids.