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NOT Open Access | Short Persistence and Vector Susceptibility to Ficam 80WP (bendiocarb active ingredient) During Pilot Application of Indoor Residual Spraying in Burkina Faso, West Africa

November 10, 2020 - 14:33 -- NOT Open Access
Author(s): 
Hien AS, Soma DD, Somé FA, Namountougou M, Poda SB, Ouédraogo GA, Diabaté A, Dabiré RK
Reference: 
J Med Entomol. 2020 Nov 9:tjaa240

Indoor residual spraying (IRS) was applied in addition to the use of long-lasting insecticidal nets in the South West in Burkina Faso, where Anopheles gambiae s.l. the major malaria vector was resistant to pyrethroids. This study was designed to evaluate the efficacy and residual life of bendiocarb (active ingredient) used for spraying on different wall surfaces (mud and cement).

Impact of outdoor residual spraying on the biting rate of malaria vectors: A pilot study in four villages in Kayin state, Myanmar

November 3, 2020 - 15:29 -- Open Access
Author(s): 
Chaumeau V, Kajeechiwa L, Nosten F, et al.
Reference: 
PLoS One. 2020 Oct 29;15(10):e0240598

Outdoor and early mosquito biters challenge the efficacy of bed-nets and indoor residual spraying on the Thailand-Myanmar border. Outdoor residual spraying is proposed for the control of exophilic mosquito species. The objective of this study was to assess the impact of outdoor residual spraying on the biting rate of malaria vectors in Kayin state, Myanmar. Outdoor residual spraying using lambda-cyhalothrin was carried out in two villages in December 2016 (beginning of the dry season) and two villages were used as a control.

Vector-Focused Approaches to Curb Malaria Transmission in the Brazilian Amazon: An Overview of Current and Future Challenges and Strategies

October 31, 2020 - 09:35 -- Open Access
Author(s): 
Rocha EM, Katak RM, Campos de Oliveira J, Araujo MDS, Carlos BC, Galizi R, Tripet F, Marinotti O, Souza-Neto JA
Reference: 
Trop Med Infect Dis. 2020 Oct 20;5(4):E161

In Brazil, malaria transmission is mostly confined to the Amazon, where substantial progress has been made towards disease control in the past decade. Vector control has been historically considered a fundamental part of the main malaria control programs implemented in Brazil. However, the conventional vector-control tools have been insufficient to control or eliminate local vector populations due to the complexity of the Amazonian rainforest environment and ecological features of malaria vector species in the Amazon, especially Anopheles darlingi.

NOT Open Access | Preliminary Report of Pyrethroid Resistance in Anopheles vagus, an Important Malaria Vector in Bangladesh

May 13, 2020 - 14:44 -- NOT Open Access
Author(s): 
Alam MS, Al-Amin HM, Khan WA, Haque R, Nahlen BL, Lobo NF
Reference: 
Am J Trop Med Hyg. 2020 May 11

According to the WHO, unmanaged insecticide resistance may lead to increases in malaria-related mortality and morbidity. Bangladesh, having made significant progress in malaria control efforts, has recently seen an upswing in malaria cases—58% of which occurred in Bandarban district.

NOT Open Access | Dynamics of prevalence and distribution pattern of avian Plasmodium species and its vectors in diverse zoogeographical areas - A review

March 2, 2020 - 14:08 -- NOT Open Access
Author(s): 
Nourani L, Zakeri S, Djadid ND
Reference: 
Infection, Genetics and Evolution, 19 February 2020, 104244

Avian Plasmodium is of special interest to health care scientists and veterinarians due to the potency of causing avian malaria in non-adapted birds and their evolutionary phylogenetic relationship with human malaria species. This article aimed to provide a comprehensive list of the common avian Plasmodium parasites in the birds and mosquitoes, to specify the common Plasmodium species and lineages in the selected regions of West of Asia, East of Europe, and North of Africa/Middle East, and to determine the contribution of generalist and host-specific Plasmodium species and lineages.

Anopheles cinereus implicated as a vector of malaria transmission in the highlands of north-west Ethiopia

November 28, 2019 - 06:29 -- Open Access
Author(s): 
Lemma W, Alemu K, Birhanie M, Worku L, Niedbalski J, McDowell MA, Lobo NF.
Reference: 
Parasites & Vectors volume 12, Article number: 557 (2019)

Transmission of malaria in the highlands of Ethiopia is poorly understood and usually attributed to importation by mobile populations or local transmission by Anopheles arabiensis. To characterize and identify Anopheles species present in a highland area of northern Ethiopia, adult and larval collections were performed in Gondar town and the neighboring Senbet Debir village (Dembia district, > 2000 meters above sea level, masl), in addition to Bahir Dar town (capital of Amhara region) and Kumer Aftit village (Metema district, < 2000 masl).

Country: 

ResistanceSim: development and acceptability study of a serious game to improve understanding of insecticide resistance management in vector control programmes

November 17, 2018 - 07:55 -- Open Access
Tags: 
Author(s): 
Edward K. Thomsen, Charlotte Hemingway, Andy South, Kirsten A. Duda, Claire Dormann, Robert Farmer, Michael Coleman and Marlize Coleman
Reference: 
Malaria Journal 2018 17:422

Although the World Health Organization disseminated best practice guidelines for insecticide resistance management (IRM), Rollback Malaria’s Vector Control Working Group identified the lack of practical knowledge of IRM as the primary gap in the translation of evidence into policy. ResistanceSim is a capacity strengthening tool designed to address this gap. 

Not Open Access ] The P450 CYP6Z1 confers carbamate/pyrethroid cross-resistance in a major African malaria vector beside a novel carbamate-insensitive N485I acetylcholinesterase-1 mutation

May 3, 2016 - 14:53 -- NOT Open Access
Tags: 
Author(s): 
Sulaiman S. Ibrahim, Miranda Ndula, Jacob M. Riveron, Helen Irving, Charles S. Wondji
Reference: 
Molecular Ecology

These findings will help in monitoring the spread and evolution of carbamate resistance and improve the design of effective resistance management strategies to control this malaria vector.

Continent: 

Suboptimal larval habitats modulate oviposition of the malaria vector mosquito Anopheles gambiae s.s.

September 24, 2015 - 14:46 -- Open Access
Author(s): 
Eunho Suh, Dong-Hwan Choe, Ahmed M Saveer, Laurence J Zwiebel
Reference: 
BioRxiv

Taken together, these findings validate the hypothesis in question and suggest that suboptimal environments for An. gambiae larval development results in the release of DMDS, DMTS and sulcatone that impact the response valence of gravid females to directly modulate the chemical ecology of oviposition site selection.

Diversity, Differentiation, and Linkage Disequilibrium: Prospects for Association Mapping in the Malaria Vector Anopheles arabiensis

January 17, 2014 - 18:12 -- Open Access
Author(s): 
Clare Diana Marsden, Yoosook Lee, Katharina Kreppel, Allison Weakley, Anthony Cornel, Heather M. Ferguson, Eleazar Eskin and Gregory C. Lanzaro
Reference: 
G3 Genes Genomes Genetics January 1, 2014 vol. 4 no. 1 121-131

Here we conducted whole-genome sequencing on 24 specimens of the malaria mosquito vector, Anopheles arabiensis, to further understanding of patterns of genetic diversity, population subdivision and linkage disequilibrium in this species.

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