Sting op: ‘Harmless’ mosquitoes bug Delhi

NEW DELHI: The inefficiency of civic businesses in maintaining Delhi’s drains unclogged has left the city in the grip of a mosquito menace.



Residents are complaining about mosquitoes swarming in quite a lot of localities. Worse, repellents fail to scare or kill them.

The only comfort is that these are Culex mosquitoes that don’t reason dengue or malaria, municipal well being officer VK Hazarika told TOI. He confirmed that mosquito menace has intensified in the town over the previous few weeks.

“The current weather condition is conducive for mosquito breeding. But more importantly, drains have now not been wiped clean correctly in lots of places, thus offering them easiest breeding ground,” Hazarika said.

Culex breeds in dirty, stagnant water not like Aedes aegypti mosquitoes — which transmit dengue and chikungunya — that breed in fresh, stagnant water.

Neena Valecha, director of Indian Council of Medical Research’s Institute of Malaria Research, said anti-larval sprays often turn out less effective to kill mosquitoes breeding in the drains. “The only strategy to keep an eye on mosquito menace is to stay the surroundings blank and now not allow stagnation of water in the drains,” she said.

Hazarika said he has written to the heads of all civic businesses — PWD, CPWD and DJB, as an example – to transparent the drains to keep an eye on mosquito breeding. “We are also issuing challans to households or under-construction constructions where there's heavy breeding,” he added.

Culex is a vector for a bunch of illnesses that can be transmitted to humans. This includes filariasis and encephalitis that have a low incidence in the capital.

“Culex is a nuisance. It bites constantly inflicting pain and itching. Over the years, I have observed they have change into resistant to maximum repellents. Nothing works on them anymore,” Nikhil Srivastava, a resident of Malviya Nagar said. Many other people had been calling up civic bodies to accentuate fumigation drives. But scientists say it’s just a brief measure.


“Fogging is a brief intervention. Civic businesses want to close the source, which is blocked drains,” said Dr Anoop Misra, chairman, Fortis C-doc.


He added that after the mercury rises to 45 degrees Celsius and beyond, maximum breeding spots of the Culex mosquito would dry up.


But soon the monsoon season would practice. And, epidemiologists say, dengue and chikungunya would possibly make a comeback in big numbers once more. Already, 12 instances of dengue and 3 instances of chikungunya had been confirmed as on April 14. Malaria, which is spread via Anopheles mosquito, has affected no less than 3 other people.


“The authorities at all times wake up when the situation is going out of keep an eye on. They want to start acting now to save the city from every other outbreak situation this year,” said an expert.
Sting op: ‘Harmless’ mosquitoes bug Delhi Sting op: ‘Harmless’ mosquitoes bug Delhi Reviewed by kailash soni on April 17, 2018 Rating: 5
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