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west africa

NOT Open Access | Climate Variability and Malaria over West Africa

March 23, 2020 - 14:10 -- NOT Open Access
Author(s): 
Diouf I, Fonseca BR, Caminade C, Thiaw WM, Deme A, Morse AP, Ndione JA, Gaye AT, Diaw A, Ngom Ndiaye MK
Reference: 
Am J Trop Med Hyg. 2020 Mar 16

Malaria is a major public health problem in West Africa. Previous studies have shown that climate variability significantly affects malaria transmission. The lack of continuous observed weather station data and the absence of surveillance data for malaria over long periods have led to the use of reanalysis data to drive malaria models.

Potential Roles of Environmental and Socio-Economic Factors in the Distribution of Insecticide Resistance in Anopheles gambiae sensu lato (Culicidae: Diptera) Across Togo, West Africa

March 3, 2020 - 15:06 -- Open Access
Author(s): 
Ahadji-Dabla KM, Romero-Alvarez D, Ketoh GK, et al.
Reference: 
Journal of Medical Entomology, tjaa023

Vector control strategies recommended by the World Health Organization are threatened by resistance of Anopheles mosquitoes to insecticides. Information on the distribution of resistant genotypes of malaria vectors is increasingly needed to address the problem. Ten years of published and unpublished data on malaria vector susceptibility/resistance and resistance genes have been collected across Togo.

Large-scale field trial of attractive toxic sugar baits (ATSB) for the control of malaria vector mosquitoes in Mali, West Africa

February 22, 2020 - 16:19 -- Open Access
Author(s): 
Mohamad M. Traore, Amy Junnila, Sekou F. Traore, Seydou Doumbia, Edita E. Revay, Vasiliy D. Kravchenko, Yosef Schlein, Kristopher L. Arheart, Petrányi Gergely, Rui-De Xue, Axel Hausmann, Robert Beck, Alex Prozorov, Rabiatou A. Diarra, Aboubakr S. Kone, Silas Majambere, John Bradley, John Vontas, John C. Beier & Günter C. Müller
Reference: 
Malaria Journal 2020 19:72, 14 February 2020

The aim of this field trial was to evaluate the efficacy of attractive toxic sugar baits (ATSB) in Mali, where sustained malaria transmission occurs despite the use of long-lasting insecticidal nets (LLINs). ATSB bait stations were deployed in seven of 14 similar study villages, where LLINs were already in widespread use. The combined use of ATSB and LLINs was tested to see if it would substantially reduce parasite transmission by Anopheles gambiae sensu lato beyond use of LLINs alone.

Physical integrity and survivorship of long-lasting insecticidal nets distributed to households of the same socio-cultural community in Benin, West Africa

February 10, 2020 - 16:05 -- Open Access
Author(s): 
Idelphonse B. Ahogni, Albert S. Salako, Bruno Akinro, Arthur Sovi, Virgile Gnanguenon, Roseric Azondekon, Jean F. Dagnon, Pamela Akogbeto, Filémon Tokponon and Martin C. Akogbeto
Reference: 
Malaria Journal 2020 19:58, 4 February 2020

Long-lasting insecticidal nets (LLINs) are designed to survive and sustain their physical barrier for 3 years in household conditions. However, studies have shown that most of these nets are usually torn or no longer present in the households in less than 3 years. This study was initiated in Benin to compare the survivorship and physical integrity of seven types of LLINs in a same socio-geographic area.

Lessons learned, challenges and outlooks for decision-making after a decade of experience monitoring the impact of indoor residual spraying in Benin, West Africa

February 3, 2020 - 16:31 -- Open Access
Author(s): 
Martin C. Akogbéto, Fortuné Dagnon, Germain G. Padonou, et al.
Reference: 
Malaria Journal 2020 19:45, 28 January 2020

Since 2008, Indoor Residual Spraying (IRS) has been performed in Benin in 19 districts, including 4 in southern Benin, 9 in Atacora, and 8 in Atacora, Alibori and Donga in northern Benin. However, Benin still struggles with questions about IRS cost–benefit and epidemiological impact. Lessons learned and challenges from 10 years of IRS in Benin to be shared with the stakeholders involved in vector control implementation for decision-making.

US Presidential Malaria Initiative is expanding

September 21, 2017 - 20:28 -- William Jobin

Today 21 September 2017, Administrator Mark Green announced that the U.S. President's Malaria Initiative (PMI), led by USAID and implemented together with the U.S. Centers for Disease Control and Prevention (CDC), will launch new country programs in Cameroon, Cote d'Ivoire, Niger, and Sierra Leone, and expand its existing program in Burkina Faso.

With the addition of five new focus countries in West and Central Africa, PMI will have programs in 24 countries in sub-Saharan Africa,

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