The norovirus symptoms typically last between 24 and 72 hours, but if they linger longer than that, you should seek medical attention right away, especially if you start passing blood in your stools.
Norovirus in Kerala: The Ernakulam school has been shut down for three days to contain the spread of the virus. Tests are being conducted to see if more students are infected. Scroll down to know causes and symptoms of Norovirus.
Norovirus infection is again making headlines after local news outlets reported that the virus has been reported in some schools in Kerala's Ernakulam district.