Dr Tickoo usually gets such patients tested for complete blood count, liver enzyme and C-reactive protein, the last indicative of the inflammation in the body. Then he prescribes tests for dengue, ...

But these symptoms can come on in different ways. Viral gastroenteritis, such as with norovirus, usually causes symptoms 24–48 hours after exposure, which can last for one to two days.

It is not yet clear whether noroviruses are transmissible to immunocompetent adults from patients with chronic viral shedding, the latter having been proposed as a possible reservoir of novel ...