Were you looking for information about Norovirus? Norevirus is a common misspelling of norovirus.
A norovirus is a highly contagious virus that can cause the stomach flu, food poisoning, and other types of illnesses. Since people infected with this virus are usually contagious from the moment they begin feeling ill to at least three days after recovery, it is important to use good handwashing and other hygienic practices after recovering from the illness. The incubation period for norovirus infections is usually one to two days but can be as short as 12 hours after exposure.
(Click Norovirus to find out how noroviruses are transmitted, what other illnesses are caused by this virus, and how you can help prevent transmission.)