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Burkina Faso

Addressing challenges in routine health data reporting in Burkina Faso through Bayesian spatiotemporal prediction of weekly clinical malaria incidence

October 7, 2020 - 16:01 -- Open Access
Author(s): 
Rouamba T, Samadoulougou S, Kirakoya-Samadoulougou F
Reference: 
Sci Rep. 2020 Oct 6;10(1):16568

Sub-Saharan African (SSA) countries' health systems are often vulnerable to unplanned situations that can hinder their effectiveness in terms of data completeness and disease control. For instance, in Burkina Faso following a workers' strike, comprehensive data on several diseases were unavailable for a long period in 2019. Weather, seasonal-malaria-chemoprevention (SMC), free healthcare, and other contextual data, which are purported to influence malarial disease, provide opportunities to fit models to describe the clinical malaria data and predict the disease spread.

Extended spectrum beta-lactamase and fluoroquinolone resistance genes among Escherichia coli and Salmonella isolates from children with diarrhea, Burkina Faso

October 6, 2020 - 12:53 -- Open Access
Author(s): 
Dembélé R, Konaté A, Barro N, et al.
Reference: 
BMC Pediatr. 2020 Oct 3;20(1):459

The emergence and spread of multidrug-resistant gram-negative bacteria (MDR) has become a major public health concern worldwide. This resistance is caused by enzymes-mediated genes (i.e., extended spectrum beta-lactamases) that are common in certain Enterobacterioceae species. However, the distribution of these genes is poorly documented in Burkina Faso. This study aims to determine the prevalence and distribution of the resistant genes coding for broad spectrum beta-lactamases and quinolones in rural Burkina Faso.

Infection of highly insecticide-resistant malaria vector Anopheles coluzzii with entomopathogenic bacteria Chromobacterium violaceum reduces its survival, blood feeding propensity and fecundity

October 6, 2020 - 12:45 -- Open Access
Author(s): 
Edounou Jacques Gnambani, Etienne Bilgo, Adama Sanou, Roch K. Dabiré and Abdoulaye Diabaté
Reference: 
Malaria Journal 2020 19:352, 2 October 2020

This is now a concern that malaria eradication will not be achieved without the introduction of novel control tools. Microbiological control might be able to make a greater contribution to vector control in the future. The interactions between bacteria and mosquito make mosquito microbiota really promising from a disease control perspective. Here, the impact of Chromobacterium violaceum infections, isolated from both larvae and adult of wild-caught Anopheles gambiae sensu lato mosquitoes in Burkina Faso, was evaluated on mosquito survival, blood feeding and fecundity.

Evaluation of seasonal malaria chemoprevention in two areas of intense seasonal malaria transmission: Secondary analysis of a household-randomised, placebo-controlled trial in Houndé District, Burkina Faso and Bougouni District, Mali

August 25, 2020 - 07:46 -- Open Access
Author(s): 
Cairns ME, Sagara I, Dicko A, et al.
Reference: 
PLoS Med. 2020 Aug 21;17(8):e1003214

Seasonal malaria chemoprevention (SMC) is now widely deployed in the Sahel, including several countries that are major contributors to the global burden of malaria. Consequently, it is important to understand whether SMC continues to provide a high level of protection and how SMC might be improved. SMC was evaluated using data from a large, household-randomised trial in Houndé, Burkina Faso and Bougouni, Mali.

Determinants of Plasmodium falciparum multiplicity of infection and genetic diversity in Burkina Faso

August 24, 2020 - 14:22 -- Open Access
Author(s): 
Sondo P, Derra K, Rouamba T, Nakanabo Diallo S, Taconet P, Kazienga A, Ilboudo H, Tahita MC, Valéa I, Sorgho H, Lefèvre T, Tinto H
Reference: 
Parasit Vectors. 2020 Aug 20;13(1):427

Investigating malaria transmission dynamics is essential to inform policy decision making. Whether multiplicity of infection (MOI) dynamic from individual infections could be a reliable malaria metric in high transmission settings with marked variation in seasons of malaria transmission has been poorly assessed. This study aimed at investigating factors driving Plasmodium falciparum MOI and genetic diversity in a hyperendemic area of Burkina Faso.

The Anopheles coluzzii microbiome and its interaction with the intracellular parasite Wolbachia

August 18, 2020 - 14:53 -- Open Access
Author(s): 
Straub TJ, Shaw WR, Marcenac P, Sawadogo SP, Dabiré RK, Diabaté A, Catteruccia F, Neafsey DE
Reference: 
Sci Rep. 2020 Aug 14;10(1):13847

Wolbachia, an endosymbiotic alpha-proteobacterium commonly found in insects, can inhibit the transmission of human pathogens by mosquitoes. Biocontrol programs are underway using Aedes aegypti mosquitoes trans-infected with a non-natural Wolbachia strain to reduce dengue virus transmission. Less is known about the impact of Wolbachia on the biology and vectorial capacity of Anopheles mosquitoes, the vectors of malaria parasites.

A cluster randomized trial of delivery of intermittent preventive treatment of malaria in pregnancy at the community level in Burkina Faso

August 10, 2020 - 14:54 -- Open Access
Author(s): 
Julie R. Gutman, Daniel K. Stephens, Justin Tiendrebeogo, Ousmane Badolo, Mathurin Dodo, Danielle Burke, John Williamson, Kristen Vibbert, Susan J. Youll, Yacouba Savadogo and William R. Brieger
Reference: 
Malaria Journal 2020 19:282, 5 August 2020

Malaria in pregnancy is responsible for 8–14% of low birth weight and 20% of stillbirths in sub-Saharan Africa. To prevent these adverse consequences, the World Health Organization recommends intermittent preventive treatment of pregnant women (IPTp) with sulfadoxine–pyrimethamine be administered at each ANC visit starting as early as possible in the second trimester. Global IPTp coverage in targeted countries remains unacceptably low. Community delivery of IPTp was explored as a means to improve coverage.

Anopheles bionomics, insecticide resistance and malaria transmission in southwest Burkina Faso: A pre-intervention study

August 5, 2020 - 14:13 -- Open Access
Author(s): 
Soma DD, Zogo BM, Somé A, Tchiekoi BN, et al.
Reference: 
PLoS ONE 15(8): e0236920

Twenty-seven villages were selected in southwest Burkina Faso to implement new vector control strategies in addition to long lasting insecticidal nets (LLINs) through a Randomized Controlled Trial (RCT). We conducted entomological surveys in the villages during the dry cold season (January 2017), dry hot season (March 2017) and rainy season (June 2017) to describe malaria vectors bionomics, insecticide resistance and transmission prior to this trial.

Inversion Genotyping in the Anopheles gambiae Complex Using High-Throughput Array and Sequencing Platforms

July 20, 2020 - 16:05 -- Open Access
Author(s): 
Love RR, Pombi M, Guelbeogo MW, Campbell NR, Stephens MT, Dabire RK, Costantini C, Torre AD, Besansky NJ
Reference: 
G3 (Bethesda). 2020 Jul 17:g3.401418.2020.

Chromosomal inversion polymorphisms have special importance in the Anopheles gambiae complex of malaria vector mosquitoes, due to their role in local adaptation and range expansion. The study of inversions in natural populations is reliant on polytene chromosome analysis by expert cytogeneticists, a process that is limited by the rarity of trained specialists, low throughput, and restrictive sampling requirements.

Investigating selected host and parasite factors potentially impacting upon seasonal malaria chemoprevention in Bama, Burkina Faso

July 7, 2020 - 14:00 -- Open Access
Author(s): 
Fabrice A. Somé, Thomas Bazié, Hanna Y. Ehrlich, Justin Goodwin, Aine Lehane, Catherine Neya, Kabré Zachari, Martina Wade, Jean-Marie Ouattara, Brian D. Foy, Roch K. Dabiré, Sunil Parikh and Jean-Bosco Ouédraogo
Reference: 
Malaria Journal 2020 19:238, 6 July 2020

Since 2014, seasonal malaria chemoprevention (SMC) with amodiaquine–sulfadoxine–pyrimethamine (AQ–SP) has been implemented on a large scale during the high malaria transmission season in Burkina Faso. This paper reports the prevalence of microscopic and submicroscopic malaria infection at the outset and after the first round of SMC in children under 5 years old in Bama, Burkina Faso, as well as host and parasite factors involved in mediating the efficacy and tolerability of SMC.

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