A day after Norovirus cases were confirmed in Wayanad district, the Kerala government on Friday said people need to be vigilant about the very contagious virus that causes vomiting and diarrhea.The rare Norovirus infection was reported in some 13 students of a veterinary college in Pookode near Vythiri in Wayanad district two weeks ago.Though things have been brought under control and no further spread is reported, health authorities said they are preparing a data bank of the students of the veterinary science college besides holding an awareness class as part of preventive measures.
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