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1 April, 2020 00:00 00 AM
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Preventing Dengue

DGHS for steps to control aedes mosquito

Staff Reporter, Dhaka

The concentration of aedes mosquito larvae in Dhaka North and South City Corporation areas is around 14 in the Breteaux index. This means the mosquito population will grow further in the coming days, said a pre-monsoon survey by the Directorate General of Health Services (DGHS).

Twenty or above is considered as risky as per the Breteaux index, but the current index does not provide any good news as the monsoon will come soon. The DGHS conducted the pre-monsoon survey in 2,996 households at 100 sites of 98 wards of the Dhaka North City Corporation and Dhaka South City Corporation from March 5-15 to see the concentration of the aedes mosquito larvae.

As per the index, seven sites were above 10. Of these, one site was at ward no. 31 under the DNCC, while six sites were at ward nos. 15, 16, 18, 28, 41 and 51 under the DNCC.

On the other hand, 56 sites were totally zero as per the index, while 44 sites were 10 to 13.3. Out of the 2,996

households, 72 were aedes-positive, while 2,924 were negative. The survey found that the potential breeding sources of aedes include plastic drums (22.08 per cent), plastic buckets (10.39 per cent), flooded floor basement in under-construction buildings (11.69 per cent), water tank (9.09 per cent), hole for the water meter (9.09 per cent), elevator shaft (5.19 per cent), and so on.

Dr Afsana Alamgir Khan, deputy programme manager of the National Malaria Elimination and Aedes Transmitted Diseases of DGHS, came up with the survey results at a video press conference at its office in the capital yesterday. Prof. Shahnila Ferdousi, director of disease control and line director of Communication Disease Control of DGHS, was present.

“It’s time to increase the preparedness to reduce the risk of dengue and chikungunya carried by the aedes mosquito. Although the results of the Breteau index are not risky, we have to be careful enough from now on,” Prof. Shahnila Ferdousi said.

She also urged everybody to keep the inside and outside of buildings and houses clean. She said mosquito nets should be used while sleeping.

Dr Afsana Alamgir Khan said: “It’s a pre-monsoon survey. But monsoon is coming soon. We can see the presence of dengue disease in Dhaka and its adjacent areas.”

She also said they have developed an app and the site https://a2i.idare.io/dengue/ to get to know early warnings of the aedes mosquito. She also called upon people to take measures and the city corporations to take better steps to control the larvae before the situation worsens.

Last year, people in the capital and elsewhere in the country suffered badly due to the serious outbreak of dengue, which claimed scores of lives and many suffered. Almost all hospitals, both government and private, were filled with dengue patients. The hospitals were also short of testing kits during that time.

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Editor : M. Shamsur Rahman

Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

Editor : M. Shamsur Rahman
Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

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