If my child had rotavirus is he immune from noravirus?

No. These are different viruses with different genetic makeup. The immunity gained from rotovirus is protective for furtur rotovirus exposure, not other GI viruses.

Related Questions

What are the symptoms that your child has the flu and not the rotavirus or norovirus?

Several. Rotavirus and norovirus infections are generally limited to the GI tract. Although influenza may also produce GI symptoms, the upper and occasionally lower respiratory tract symptoms, degree of fever, generalized muscle aches and degree of malaise are far more than one could reasonably expect from the first two viruses. Read more...