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The Current Insecticide Resistance in Main Malaria Vector Anopheles arabiensis in Yemen

Control of malaria vectors in Yemen relies on both indoor residual spraying using carbamate (bendiocarb) and long-lasting pyrethroids-treated nets. This paper reports the results of studies conducted to monitor the insecticide resistance of the main malaria vector, Anopheles arabiensis, to the insec...

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Autores principales: Al-Koleeby, Zalalham, El Aboudi, Ahmed, Assada, Mithaq, Al-Hadi, Mohamed, Abdalr Ahman, Mohammed, Awash, Abdullah, Ahmed, Abdul Samad, Mohamedi, Hani, Al Jarbany, Jamil, Faraj, Chafika
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7149446/
https://www.ncbi.nlm.nih.gov/pubmed/32292485
http://dx.doi.org/10.1155/2020/5625019
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author Al-Koleeby, Zalalham
El Aboudi, Ahmed
Assada, Mithaq
Al-Hadi, Mohamed
Abdalr Ahman, Mohammed
Awash, Abdullah
Ahmed, Abdul Samad
Mohamedi, Hani
Al Jarbany, Jamil
Faraj, Chafika
author_facet Al-Koleeby, Zalalham
El Aboudi, Ahmed
Assada, Mithaq
Al-Hadi, Mohamed
Abdalr Ahman, Mohammed
Awash, Abdullah
Ahmed, Abdul Samad
Mohamedi, Hani
Al Jarbany, Jamil
Faraj, Chafika
author_sort Al-Koleeby, Zalalham
collection PubMed
description Control of malaria vectors in Yemen relies on both indoor residual spraying using carbamate (bendiocarb) and long-lasting pyrethroids-treated nets. This paper reports the results of studies conducted to monitor the insecticide resistance of the main malaria vector, Anopheles arabiensis, to the insecticides currently used in the vector control in four different locations. Susceptibility tests were performed following the WHO test procedures. Two pyrethroids (lambda-cyhalothrin 0.05% and deltamethrin 0.05%) and one carbamate (bendiocarb 0.1%) were tested at diagnostic doses (DD). The five-fold DD of lambda-cyhalothrin and deltamethrin (0.25%) were also used to yield information on the intensity of resistance. Besides, tests with synergists were performed to assess the involvement of detoxifying enzyme in the phenotypic resistance of the populations of An. arabiensis to pyrethroids. The results of the performed susceptibility bioassay showed that the vector is susceptible to bendiocarb and resistant to lambda-cyhalothrin and deltamethrin in the four studied areas. The pyrethroids resistance is solely metabolic. This information could help policy-makers to plan insecticide resistance management. Bendiocarb is still an effective insecticide in the form of IRS. Concerning LLINS, it would be interesting to assess their effectiveness, combining a pyrethroid with PBO for the control of the pyrethroid-resistant malaria vector.
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spelling pubmed-71494462020-04-14 The Current Insecticide Resistance in Main Malaria Vector Anopheles arabiensis in Yemen Al-Koleeby, Zalalham El Aboudi, Ahmed Assada, Mithaq Al-Hadi, Mohamed Abdalr Ahman, Mohammed Awash, Abdullah Ahmed, Abdul Samad Mohamedi, Hani Al Jarbany, Jamil Faraj, Chafika J Trop Med Research Article Control of malaria vectors in Yemen relies on both indoor residual spraying using carbamate (bendiocarb) and long-lasting pyrethroids-treated nets. This paper reports the results of studies conducted to monitor the insecticide resistance of the main malaria vector, Anopheles arabiensis, to the insecticides currently used in the vector control in four different locations. Susceptibility tests were performed following the WHO test procedures. Two pyrethroids (lambda-cyhalothrin 0.05% and deltamethrin 0.05%) and one carbamate (bendiocarb 0.1%) were tested at diagnostic doses (DD). The five-fold DD of lambda-cyhalothrin and deltamethrin (0.25%) were also used to yield information on the intensity of resistance. Besides, tests with synergists were performed to assess the involvement of detoxifying enzyme in the phenotypic resistance of the populations of An. arabiensis to pyrethroids. The results of the performed susceptibility bioassay showed that the vector is susceptible to bendiocarb and resistant to lambda-cyhalothrin and deltamethrin in the four studied areas. The pyrethroids resistance is solely metabolic. This information could help policy-makers to plan insecticide resistance management. Bendiocarb is still an effective insecticide in the form of IRS. Concerning LLINS, it would be interesting to assess their effectiveness, combining a pyrethroid with PBO for the control of the pyrethroid-resistant malaria vector. Hindawi 2020-03-30 /pmc/articles/PMC7149446/ /pubmed/32292485 http://dx.doi.org/10.1155/2020/5625019 Text en Copyright © 2020 Zalalham Al-Koleeby et al. http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Al-Koleeby, Zalalham
El Aboudi, Ahmed
Assada, Mithaq
Al-Hadi, Mohamed
Abdalr Ahman, Mohammed
Awash, Abdullah
Ahmed, Abdul Samad
Mohamedi, Hani
Al Jarbany, Jamil
Faraj, Chafika
The Current Insecticide Resistance in Main Malaria Vector Anopheles arabiensis in Yemen
title The Current Insecticide Resistance in Main Malaria Vector Anopheles arabiensis in Yemen
title_full The Current Insecticide Resistance in Main Malaria Vector Anopheles arabiensis in Yemen
title_fullStr The Current Insecticide Resistance in Main Malaria Vector Anopheles arabiensis in Yemen
title_full_unstemmed The Current Insecticide Resistance in Main Malaria Vector Anopheles arabiensis in Yemen
title_short The Current Insecticide Resistance in Main Malaria Vector Anopheles arabiensis in Yemen
title_sort current insecticide resistance in main malaria vector anopheles arabiensis in yemen
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7149446/
https://www.ncbi.nlm.nih.gov/pubmed/32292485
http://dx.doi.org/10.1155/2020/5625019
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