Till Friday, it preyed on 80. Within 72 hours, the count has jumped to 400.
Diarrhoea, which reared its head in Potka, East Singhbhum, last week is stalking as many as 15 villages in the block, where at least 100 have been hospitalised.
Unconfirmed reports say six villagers have already died of the disease, but the district administration has denied the claim.