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Status of insecticide resistance inthe dengue vector, Aedes aegypti in India: a review

1 ICMR-Vector Control Research Centre,4, Sarojini Street Chinna Chokkikulam, Madurai-625002, India
2 ICMR-Vector Control Research Centre (VCRC), Medical Complex, Indira Nagar, Puducherry-650006, India

Correspondence Address:
Bhavna Gupta,
ICMR-Vector Control Research Centre (VCRC), Field Station, 4, Sarojini Street ChinnaChokkikulam, Madurai-625002
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-9062.361174

The study aims to present an overview of the extent of insecticide resistance in the dengue vector,Aedes aegypti in India. Published data on insecticide resistance in the species were systematically searched through online databases like PubMed, Google, and Google Scholar. From each study, data were extracted and analyzed to understand the spatial and temporal patterns. Particular emphasis was given to the commonly used insecticides mosquito control. Forty-three studies met the inclusion criteria, of which 13 had adult bioassay data, 13 larval bioassay data and 17 contained both. Data demonstrated high resistance to DDT and resistance is also widespread against carbamates. There is mounting evidence of increased tolerance to pyrethroids and organophosphorus compounds, viz permethrin, deltamethrin, lambda-cyhalothrin, malathion, and temephos. The emergence of resistance toall the insecticide classes further justifies the need for annual resistance monitoring and to maintain a nation-wide database that can provide a reference for formulating effective control strategies.

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