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pyrethroid

Dynamics of pyrethroid resistance in malaria vectors in southern Benin following a large scale implementation of vector control interventions

July 11, 2016 - 15:31 -- Open Access
Author(s): 
Yahouédo G, Cornelie S, Djègbè I, Ahlonsou J, Aboubakar S, Soares C, Akogbéto M, Corbel V
Reference: 
Parasites & Vectors 2016, 9:385 (4 July 2016)

The study confirmed that deltamethrin resistance is widespread in malaria vectors in Southern Benin. We suspect that the increase in deltamethrin resistance between 2012 and 2014 resulted from an increased expression of metabolic detoxification genes (CYP6M2 and CYP6P3) rather than from kdr mutations. 

Knockdown resistance (kdr) mutations in Indian Anopheles culicifacies populations

June 24, 2015 - 15:40 -- Open Access
Author(s): 
Dykes C, Kushwah R, Das M, Sharma S, Bhatt R, Veer V, Agrawal O, Adak T, Singh O
Reference: 
Parasites & Vectors 2015, 8 :333 (18 June 2015)

This vector is resistant to DDT in most parts of the country with indication of emerging resistance to pyrethroids. Since knockdown resistance (kdr) is known to confer cross-resistance between DDT and pyrethroids owing to a common target site of action, knowledge of prevalence of knockdown resistance (kdr) alleles is important from insecticide resistance management point of view.

A cohort study of the effectiveness of insecticide-treated bed nets to prevent malaria in an area of moderate pyrethroid resistance, Malawi

February 24, 2015 - 16:00 -- Open Access
Author(s): 
Kim A Lindblade, Dyson Mwandama, Don P Mathanga, et al.
Reference: 
Malaria Journal 2015, 14:31 (28 January 2015)

One deltamethrin ITN was distributed in the study area for every two individuals in each household plus one extra ITN for households with an odd number of residents. A fixed cohort of 1,199 children aged six to 59 months was seen monthly for one year and at sick visits to measure malaria infection and use of ITNs.

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The colonization of pyrethroid resistant strain from wild Anopheles sinensis, the major Asian malaria vector

December 17, 2014 - 17:00 -- Open Access
Author(s): 
Guoding Zhu, Huayun Zhou, Qi Gao, et al.
Reference: 
Parasites & Vectors 2014, 7:582 (11 December 2014)

We colonised a pyrethroid-resistant population of An. sinensis in the laboratory, which provides a fundamental model for genetic studies of this important malaria vector.

Pyrethroid susceptibility of malaria vectors in four Districts of western Kenya

July 22, 2014 - 19:05 -- Open Access
Author(s): 
Eric Ochomo, Nabie M Bayoh, Charles Mbogo, et al.
Reference: 
Parasites & Vectors 2014, 7:310

This study was designed to investigate the extent and distribution of pyrethroid resistance in 4 Districts of western Kenya (Nyando, Rachuonyo, Bondo and Teso). All four Districts have received LLINs while Nyando and Rachuonyo Districts have had IRS campaigns for 3–5 years using pyrethroids.

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Impact of PermaNet 3.0 on entomological indices in an area of pyrethroid resistant Anopheles gambiae in south-western Nigeria

June 4, 2014 - 17:15 -- Open Access
Author(s): 
Awolola ST, Adeogun AO, Olojede JB, Oduola AO, Oyewole IO, Amajoh CN
Reference: 
Parasites & Vectors 2014, 7 :236 (22 May 2014)

The study confirms the efficacy of PN 3.0 in reducing malaria transmission compared to pyrethroid-only LLINs in the presence of malaria vectors with P450-based metabolic- resistance mechanisms.

Impact of operational effectiveness of long-lasting insecticidal nets (LLINs) on malaria transmission in pyrethroid-resistant areas

November 26, 2013 - 18:21 -- Open Access
Author(s): 
Sovi A, Azondékon R, Aïkpon RY, Govoétchan R, Tokponnon F, Agossa F, Salako AS, Oké-Agbo F, Aholoukpè B, Okè M, Gbénou D, Massougbodji A, Akogbéto M
Reference: 
Parasites & Vectors 2013, 6 :319 (4 November 2013)
MalariaWorld

The aim of this study was to determine if the resistance of malaria vectors to insecticides has an impact on their behavior and on the effectiveness of LLINs in the reduction of malaria transmission.

DDT and pyrethroid resistance in Anopheles arabiensis from South Africa

August 12, 2013 - 19:03 -- Open Access
Author(s): 
Nardini L, Christian RN, Coetzer N, Koekemoer LL
Reference: 
Parasites & Vectors 2013, 6:229 (8 August 2013)
MalariaWorld

In this study, the genetic basis of pyrethroid resistance in a selected laboratory strain of An. arabiensis from South Africa was investigated using a custom-made microarray, known as the An. gambiae detoxification chip.

Challenges for malaria elimination in Zanzibar: pyrethroid resistance in malaria vectors and poor performance of long-lasting insecticide nets

April 3, 2013 - 17:38 -- Open Access
Tags: 
Author(s): 
Haji KA, Khatib BO, Smith S, Ali AS, Devine GJ, Coetzee M, Majambere S
Reference: 
Parasites & Vectors 2013, 6:82 (28 March 2013)
MalariaWorld

The aim of the present study was to assess the susceptibility status of malaria vectors against the insecticides used for LLINs and IRS and to determine the durability and efficacy of LLINs on the island.

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Medical Treatment: 

A shift from Indoor Residual Spraying (IRS) with bendiocarb to Long-Lasting Insecticidal (mosquito) Nets (LLINs) associated with changes in malaria transmission indicators in pyrethroid resistance areas in Benin

March 19, 2013 - 04:14 -- Open Access
Author(s): 
Ossè RA, Aïkpon R, Gbédjissi GL, Gnanguenon V, Sèzonlin M, Govoétchan R, Sovi A, Oussou O, Oké-Agbo F, Akogbéto M
Reference: 
Parasites & Vectors 2013, 6:73 (16 March 2013)
MalariaWorld

Entomological surveillance was carried out to assess indicators of transmission risk during the last year of IRS and the first year after the LLIN intervention was put in place (2010--2011). Mosquito biting density was sampled by human landing collection (HLC). 

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