The victims are Sajeda Begum, 5, Hamida Begum, 8, of Khatiyamari village in Fulchhari upazila, Abdul Jabber, 35, of Diholkandi village and Kulsum Begum, 26, of Patilbari village in Shaghata upazila.

With recession of floodwater, the disease has broken out in an epidemic form at Khatiyamari, Patilbari and Digholkandi villages and is now spreading alarmingly in the affected areas. Every day children and women are being attacked with diarrhoea in increasing number.

Fulchhari Upazila Health Complex physicians said the disease has broken out in shoals for want of pure drinking water and improper sanitation system.

Medical teams are working in the affected areas and there is no shortage of oral saline, water purifying tablets and essential drugs, they said.