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Express News Service
CHENNAI: When a fever epidemic broke out recently in a district of Villupuram district, the Public Health Directorate (DPH) took a step forward, capturing mosquitoes in the region and reviewed them at the State Public Health Laboratory on the DMS campus here. Officials took action to eradicate mosquitoes after discovering that there were Aedes mosquitoes carrying the dengue virus. After the activity, fever cases were reduced to zero in the region.
From January to date, more than 1,000 mosquito pools, each pool containing at least 25 mosquitoes, have been tested at the state's public health laboratory.
"We found the presence of Aedes mosquitoes carrying dengue virus in some districts. At one incidence, in Villupuram, there were some cases of fever in a particular block. Immediately, entomologists were alerted and mosquito eradication activities were conducted within 24 hours of the results. As a result, there was no more cases of fever in the block after that, "said S Raju, deputy director of the State Public Health Laboratory.
According to health department officials, this innovative method of mosquito mapping (Aedes mosquitoes) for the dengue virus has really helped to contain the virus in the mosquitoes themselves before transmission by the Man and this method constitutes a means of containing the disease.
The authorities also follow certain criteria for collecting mosquitoes. "We only collect when there is a mosquito density, cases of fever and hot spots, where cases of fever were reported last year or when one or two deaths are occurred. Pools collected from Monday to Saturday by experts in entomologists will be tested in the two laboratories, the Institute for Vector Control and Zoonoses, Hosur and the DMS Public Health Laboratory, "said Raju.
The DPH also plans to extend the program to screening for all vector-borne diseases such as Japanese encephalitis, chikungunya and zika after having completely set up a study on mosquitoes of the dengue on the ground.
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