The incidence of dengue infection in the capital suddenly increased since July 1, with 93 patients taking admission into hospitals during the first four days of the month.
In June, 250 dengue patients were admitted to hospitals and three of them died, according to the Health Services.
Panic gripped the capital since the return of dengue infection caused by aedes mosquito bite with the advent of the rainy season.
In June, according to the Health Services, at least three people were infected with chikungunya, also caused by aedes mosquito bite.
Both are viral diseases.
Aedes mosquito breeds in clean water in abandoned containers, cans, pots, cups, flower tubs, coconut shells and tyres in and around homes.
Aedes mosquito feeds and bites only during the day and the peak biting time spans two hours since the sunrise and two hours before dusk.
According to the National Health Crisis Management Centre and Control Room’s records 432 dengue patients and three chikungunya patients were hospitalized in the capital from January 1 to July 4.
National Health Crisis Management Centre in-charge Ayesha Akhter told New Age that, this year most of the dengue patients came from the areas under what is now the Dhaka South City.
She said that on Thursday, at least 64 patients were under treatment at different hospitals and 36 of them at the Central Hospital at Green Road, seven at the Mitford Hospital in the Old Town and four at the Holy Family Red Crescent Hospital.
A survey conducted by the Health Services’ disease control wing in late February found that the aedes mosquito menace increased alarmingly ahead of advent of the rainy season this year.
The survey found high presence of aedes mosquitos in 19 localities of the capital, Health Services’ disease control director Sanya Tahman told New Age.
She said Banani, Bashundhara Residential Area, Gabtali, Moghbazar, Malibagh, Mirpur-1, Mohakhali DOHS, Nakhalpara, East Shewrapara, Tolarbagh and Sector 9 of Uttara in Dhaka North City and Dhanmondi, Elephant Road, Gulbagh, Kalabagan, Meradia, Minto Road, Baily Road and Shantinagar in Dhaka South City had alarmingly high presence of aedes mosquitoes.
Sanya said that the two city corporations had been cautioned in March that unless they took steps to control aedes mosquitos it would be difficult to control the menace after the advent of monsoon.
Institute of Epidemiology, Disease Control and Research director Meerjady Sabrina Flora expressed concern over the possibility of aedes mosquito menace growing in the coming months of the extended rainy season.
She said the situation could get out of control unless the aedes mosquito breeding was brought under control immediately.
Meerjady, however, said that no chikungunya outbreaks were expected this year.
Dhaka South City Corporation chief health officer Brig Gen Sheikh Salauddin told New Age that they took special mosquito-control programmes in all the Dhaka South City wards from June 25 to July 15.
Besides, special teams were visiting door to door to raise public awareness about the methods of destroying aedes mosquito breeding habitats, he said.
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