 [ Symptoms ] is it possible to have a stomach virus without vomiting or diarrhea  every so often i experience nausea fatigue and stomach pain as if i had a stomach virus  could this just be the way my body expresses the norovirus [ Disease ] yes a person can have a gastointestinal virus without vomiting or diarrhea but those symptoms are typically the things you get if you had this virus before or a similar virus you may only have a mild infection with nausea you cannot definitively diagnose a norovirus by symptoms alone since everyone responds to a viral infection differently yes it is possible to have a stomach virus without vomiting or diarrhea norovirus may have a prolonged infectious period even before a patient starts feeling sick people who recover from the infection keep shedding virus through their stools for weeks and may potentially spread the infection to others