Vector density in Ahd highest in 5 years in July

Times of India | 1 month ago | 08-08-2022 | 05:47 am

Vector density in Ahd highest in 5 years in July

AHMEDABAD: Even as the city reels under an onslaught of seasonal flu, Covid cases and an unusual spike in swine flu cases, threat of vector borne illnesses namely malaria, dengue chikungunya now looks large. Heavy rains in July have led to an alarming spike in mosquito population - the city has average four mosquitoes in a room! This is nearly 60% higher than average of the past four years at 2.5 and is the highest in the past five years. The mosquito density survey was carried out by Ahmedabad Municipal Corporation (AMC) to understand the distribution of vectors and prepare for the possible outbreak of vector-borne diseases. Among the areas, Paldi was found to have 24 mosquitoes per room, followed by 13 in Isanpur, 8 in Sardarnagar, 5 in Asarva, 4.5 in Stadium and 3.5 in Vejalpur among others. Experts said that the relative density is higher in western city areas due to factors such as higher share of open areas, terraces with pots and kitchen gardens that give mosquitoes places to lay eggs. Among the months so far, March recorded 1.3 overall density. You may want to allocate a good amount for mosquito repellents in your household budget if you don't want to end up spending a fortune on hospital bills. A record-breaking monsoon is leading to a consequence citizens may be less thrilled about: a huge explosion in the mosquito population in Ahmedabad city. The city has registered the highest mosquito density in four years - now, there are four mosquitoes per room against 2.33 in 2018. The worst-affected areas are in the western part of the city. Areas like Paldi have recorded as many as 24 mosquitoes in a room, while the next highest is in Isanpur in eastern Ahmedabad with a mosquito density of 13.25 per room. In a span of just one month, the city saw a rise in mosquito population. In June this year, the Ahmedabad Municipal Corporation (AMC) calculated an average mosquito density of 0.10 per room which increased to 3.98 in July. The mosquito density has been accounted for all species - female anopheles mosquito that causes malaria and falciparum; aedes aegypti that causes dengue and chikungunya; anopheles stephensi and culicines. "The mosquito density will increase further in August and September," warned a senior AMC health official. In western parts of the city, the overall density of female anopheles has been found to be 1.38 per room, while the density of aedes aegypti is found to be an average of 0.39. An AMC health official observed, "Waterlogged terraces and building basements have become a major reason for breeding of mosquitoes," admits the AMC health official. This time around, AMC will be deploying drones to identify breeding spots on terraces and even conduct fumigation of such spaces across the city.

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