Kerala has been put on alert after at least 13 cases of norovirus have been recorded in Wayanad district.
The infection was reported in some 13 students of a veterinary college in Pookode near Vythiri in Wayanad district two weeks ago.
As State health minister Veena George asked people to be vigilant, here’s a look at what the virus is, its symptoms and what can be done to treat it.
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