Joint Director of Health Dr A Neog said that seven persons had died of diarrhoea in the last 15 days in Jorhat district, though the unofficial toll has been put at something between 13 and 17. Dr Neog said that deaths from gastro-enteric reasons had occurred in Naginijan Tea Estate under the State-owned ATCL, Rajoi Division of Tata Tea Ltd and Umabari Tea Estate.