A total of 550  people have been diagnosed with water-borne diseases, including diarrhoea, in the past one week in Sylhet, compounding the woes of the district's flood-hit people.

According to the Sylhet Civil Surgeon's office, 400 people have been suffering from diarrhoea while 150 people were diagnosed with skin and other diseases. The number of infected people is increasing day by day.

While 12 medical teams have been sent to Kanaighat upazila, 11 to Jaintapur, 10 each tk Goainghat, Sadar, Fenchuganj and Jakiganj, 16 each to Beanibazar and Golapganj, nine to Osmaninagar, eight to Dakkhin Surma and seven each to Balaganj and Companigonj upazilas of the district.

Deputy Civil Surgeon Dr Joyshankar Datta said, "People are suffering from diarrhoea and other water-borne diseases, and our medical teams are working round-the-clock clock to provide medical services to them."

Zahidul Islam, chief health officer of Sylhet City Corporation, said a ward-level health campaign has already been launched and "we have a plan to carry out such health campaigns daily for a fortnight".

"Residents of the city are suffering a lot due to the unavailability of pure drinking water, and we have already distributed 1.60 lakh water purification tablets," he said.

Dr Himangshu Lal Roy, director of Sylhet Health Division, said, "Some 183 people have been diagnosed with diarrhoea in the past 24 hours. The figure was 171 the previous day."

"Each machine can purify 500 litres of water an hour," the official said.