Is there a vaccine for viral gastroenteritis?

Sorry, no. Unfortunately, they evolve too rapidly and there are too many potential sources.
Yes - Rotavirus. Yes, to some extent. One form of viral gastro called rotavirus gastroenteritis can be vaccinated against. Merck makes RotaTeq and gsk makes rotarix, both of which help prevent infection with roatvirus gastro.

Related Questions

Is there a vaccine against viral gastroenteritis?

Yes - Rotavirus vac. Yes, to some extent. One form of viral gastro called rotavirus gastroenteritis can be vaccinated against. Merck makes RotaTeq and gsk makes rotarix, both of which help prevent infection with roatvirus gastro. Read more...
Not all of them. There is one vaccine against the rotovirus, given in the first 6 mo of life to some infants. There is no general vaccine for the dozens of other viruses that can cause gastroenteritis. Read more...

How is viral gastroenteritis diagnosed?

Clinically. It's frequently a diagnosis of exclusion as it's generally a self limited illness - lasting less than 24 hours or so. Read more...

What works for treating viral gastroenteritis in children?

Hydration. The primary treatment in viral gastroenteritis is a close attention to hydration.A source of fluids through oral rehydration fluids, and some solids like applesause, steamed rice, unseasoned pasta and bananas, all help.With proper hydration, most kids will self heal over a few days. Read more...