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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/46912
Title: Resistance of Aedes aegypti (Diptera: Culicidae) Populations to Deltamethrin, Permethrin, and Temephos in Cambodia
Authors: Sébastien Boyer
Sergio Lopes
Didot Prasetyo
John Hustedt
Ay Sao Sarady
Dyna Doum
Sony Yean
Borin Peng
Sam Bunleng
Rithea Leang
Didier Fontenille
Jeffrey Hii
Institut Pasteur du Cambodge
Mahidol University
National Center for Parasitology, Entomology and Malaria Control (CNM)
U.S. Naval Medical Research Unit Two
Malaria Consortium
Keywords: Medicine
Issue Date: 1-Mar-2018
Citation: Asia-Pacific Journal of Public Health. Vol.30, No.2 (2018), 158-166
Abstract: © 2018, © 2018 APJPH. Dengue fever is a major public health concern, including 185,000 annual cases in Cambodia. Aedes aegypti is the primary vector for dengue transmission and is targeted with insecticide treatments. This study characterized the insecticide resistance status of Ae aegypti from rural and urban locations. The susceptibility to temephos, permethrin, and deltamethrin of Ae aegypti was evaluated in accordance with World Health Organization instructions. All the field populations showed lower mortality rate to temephos compared with the sensitive strain with resistance ratio 50 (RR50) varying from 3.3 to 33.78 and RR90 from 4.2 to 47 compared with the sensitive strain, demonstrating a generalized resistance of larvae to the temephos in Cambodia. Ae aegypti adult populations were highly resistant to permethrin regardless of province or rural/urban classification with an average mortality of 0.02%. Seven of the 8 field populations showed resistance to deltamethrin. These results are alarming for dengue vector control, as widespread resistance may compromise the entomological impact of larval control operations. Innovative vector control tools are needed to replace ineffective pesticides in Cambodia.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85044432776&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/46912
ISSN: 10105395
Appears in Collections:Scopus 2018

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