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pyrethroid

The dynamics of pyrethroid resistance in Anopheles arabiensis from Zanzibar and an assessment of the underlying genetic basis

December 10, 2013 - 16:44 -- Open Access
Author(s): 
Jones CM, Haji KA, Khatib BO, Bagi J, Mcha J, Devine GJ, Daley M, Kabula B, Ali AS, Majambere S, Ranson H
Reference: 
Parasites & Vectors 2013, 6 : 343 (6 December 2013)

Background

The emergence of pyrethroid resistance in the malaria vector, Anopheles arabiensis, threatens to undermine the considerable gains made towards eliminating malaria on Zanzibar. Previously, resistance was restricted to the island of Pemba while mosquitoes from Unguja, the larger of the two islands of Zanzibar, were susceptible. Here, we characterised the mechanism(s) responsible for resistance on Zanzibar using a combination of gene expression and target-site mutation assays.

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Not Open Access | Combination of malaria vector control interventions in pyrethroid resistance area in Benin: a cluster randomised controlled trial

July 24, 2012 - 15:13 -- Patrick Sampao
Author(s): 
Vincent Corbel, Martin Akogbeto, Marie-Claire Henry, et al.
Reference: 
The Lancet Infectious Diseases, Volume 12, Issue 8, August 2012, Pages 617-626

MalariaWorldWe investigated whether the combination of long-lasting insecticidal mosquito nets (LLINs) with indoor residual spraying (IRS) or carbamate-treated plastic sheeting (CTPS) conferred enhanced protection against malaria and better management of pyrethroid-resistance in vectors than did LLINs alone.

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Loss of Household Protection from Use of Insecticide-Treated Nets against Pyrethroid-Resistant Mosquitoes, Benin

June 18, 2012 - 15:06 -- Patrick Sampao
Author(s): 
Alex Asidi, Raphael N’Guessan, Martin Akogbeto, Chris Curtis and Mark Rowland
Reference: 
Emerging Infectious Diseases, Volume 18, Number 7—July 2012

MalariaWorldTo investigate whether nets in use are still protective, we conducted household trials in northern and southern Benin, where An. gambiae mosquitoes are susceptible and resistant, respectively, to pyrethroids.

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Anopheles gambiae resistance to pyrethroid-treated nets in cotton versus rice areas in Mali

February 15, 2012 - 14:59 -- Patrick Sampao
Author(s): 
Moussa Fane, Ousmane Cissé, Cheick Sékou F. Traore, Philippe Sabatier
Reference: 
Acta Tropica, Volume 122, Issue 1, April 2012, Pages 1-6

MalariaWorldThe objective of this study was to evaluate the efficacy of alpha-cypermethrin treated nets in settings where insecticides are used against pests.

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Pyrethroid use-malaria control and individual applications by households for other pests and home garden use

November 21, 2011 - 13:17 -- Patrick Sampao
Author(s): 
Maria Luisa Feo, Ethel Eljarrat, Maria N. Manaca, Carlota Dobaño, Damia Barcelo, Jordi Sunyer, Pedro L. Alonso, Clara Menendez, Joan O. Grimalt
Reference: 
Environment International, Volume 38, Issue 1, January 2012, Pages 67-72

MalariaWorldPresence of pyrethroid insecticides in human breast milk and in thatch wall material of dwellings from Southern Africa subtropical area (Manhiça, Mozambique) was investigated to assess potential pyrethroid route of human exposure.

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Review : Pyrethroid resistance in African anopheline mosquitoes: what are the implications for malaria control?

February 2, 2011 - 12:47 -- Patrick Sampao
Author(s): 
Hilary Ranson, Raphael N’Guessan, Jonathan Lines, Nicolas Moiroux, Zinga Nkuni, Vincent Corbel
Reference: 
Trends in Parasitology, Volume 27, Issue 2, February 2011, Pages 91-98

As we move into the malaria eradication era, it is vital that the implications of insecticide resistance are understood and strategies to mitigate these effects are implemented.

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Open Access | Pyrethroid resistance in southern African Anopheles funestus extends to Likoma Island in Lake Malawi

January 3, 2011 - 14:29 -- Patrick Sampao
Author(s): 
Hunt RH, Edwardes M, Coetzee M
Reference: 
Parasites & Vectors 2010, 3:122 (31 December 2010)

A mosquito survey was carried out on the island of Likoma in Lake Malawi with a view to collecting baseline data to determine the feasibility of implementing an integrated malaria vector control programme.

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Brief Report: Pyrethroid Susceptibility in Natural Populations of the Anopheles punctulatus Group (Diptera: Culicidae) in Papua New Guinea

December 3, 2010 - 08:06 -- Patrick Sampao
Author(s): 
John B. Keven, Cara N. Henry-Halldin, Edward K. Thomsen, Ivo Mueller, Peter M. Siba, Peter A. Zimmerman, AND Lisa J. Reimer
Reference: 
Am J Trop Med Hyg, Dec 2010; 83: 1259 - 1261.

The study used World Health Organization standard susceptibility bioassays to detect knockdown phenotypes and a novel nested polymerase chain reaction to detect the knockdown resistant (kdr) allele in these vectors.

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An experimental hut evaluation of PermaNet® 3.0, a deltamethrin–piperonyl butoxide combination net, against pyrethroid-resistant Anopheles gambiae and Culex quinquefasciatus mosquitoes in southern Benin

November 15, 2010 - 14:22 -- Patrick Sampao
Author(s): 
Raphael N’Guessan, Alex Asidi, Pelagie Boko, Abibatou Odjo, Martin Akogbeto, Olivier Pigeon, Mark Rowland
Reference: 
Transactions of the Royal Society of Tropical Medicine and Hygiene, Volume 104, Issue 12, December 2010, Pages 758-765

An experimental hut trial comparing unwashed and 20 times washed PermaNet 3.0 and PermaNet 2.0, Olyset Net and a conventional deltamethrin-treated net washed three times was conducted in southern Benin.

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Open Access | Geographic medicine: Field evaluation of the bio-efficacy of three pyrethroid based coils against wild populations of anthropophilic mosquitoes in Northern Tanzania

August 24, 2010 - 14:16 -- Patrick Sampao
Author(s): 
Shandala Msangi, Beda J Mwang'onde, Aneth M Mahande, Eliningaya J Kweka
Reference: 
Journal of Global Infectious Diseases , Volume 2 : 2 Page : 116-120, 2010

This study aims to assess the feeding inhibition and repellency effect of three brands of mosquito coils in experimental huts (East African design).

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