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Burkina Faso

Spatio-temporal analysis and prediction of malaria cases using remote sensing meteorological data in Diebougou health district, Burkina Faso, 2016-2017

October 16, 2021 - 11:54 -- Open Access
Bationo CS, Gaudart J, Moiroux N, et al.
Sci Rep. 2021 Oct 8;11(1):20027

Malaria control and prevention programs are more efficient and cost-effective when they target hotspots or select the best periods of year to implement interventions. This study aimed to identify the spatial distribution of malaria hotspots at the village level in Diébougou health district, Burkina Faso, and to model the temporal dynamics of malaria cases as a function of meteorological conditions and of the distance between villages and health centres (HCs). Case data for 27 villages were collected in 13 HCs. Meteorological data were obtained through remote sensing.

Seasonal patterns of malaria, genital infection, nutritional and iron status in non-pregnant and pregnant adolescents in Burkina Faso: a secondary analysis of trial data

October 5, 2021 - 10:45 -- Open Access
Roberts SA, Brabin L, Tinto H, Gies S, Diallo S, Brabin B
BMC Public Health. 2021 Sep 27;21(1):1764

Adolescents are considered at high risk of developing iron deficiency. Studies in children indicate that the prevalence of iron deficiency increased with malaria transmission, suggesting malaria seasonally may drive iron deficiency. This paper examines monthly seasonal infection patterns of malaria, abnormal vaginal flora, chorioamnionitis, antibiotic and antimalarial prescriptions, in relation to changes in iron biomarkers and nutritional indices in adolescents living in a rural area of Burkina Faso, in order to assess the requirement for seasonal infection control and nutrition interventions.

Combining malaria vaccination with chemoprevention: a promising new approach to malaria control

September 8, 2021 - 16:21 -- Open Access
Brian Greenwood, Matthew Cairns, Mike Chaponda, R. Matthew Chico, Alassane Dicko, Jean-Bosco Ouedraogo, Kamija S. Phiri, Feiko O. ter Kuile and Daniel Chandramohan
Malaria Journal 2021 20:361, 6 September 2021

Malaria control has stalled in a number of African countries and novel approaches to malaria control are needed for these areas. The encouraging results of a recent trial conducted in young children in Burkina Faso and Mali in which a combination of the RTS,S/AS01E malaria vaccine and seasonal malaria chemoprevention led to a substantial reduction in clinical cases of malaria, severe malaria, and malaria deaths compared with the administration of either intervention given alone suggests that there may be other epidemiological/clinical situations in which a combination of malaria vaccination and chemoprevention could be beneficial.

Insecticide resistance and behavioural adaptation as a response to long-lasting insecticidal net deployment in malaria vectors in the Cascades region of Burkina Faso

September 7, 2021 - 15:23 -- Open Access
Sanou A, Nelli L, Guelbéogo WM, Cissé F, Tapsoba M, Ouédraogo P, Sagnon N, Ranson H, Matthiopoulos J, Ferguson HM
Sci Rep. 2021 Sep 2;11(1):17569

The decline in malaria across Africa has been largely attributed to vector control using long-lasting insecticidal nets (LLINs). However, this intervention has prompted widespread insecticide resistance (IR) and been associated with changes in mosquito behaviour that reduce their contact with LLINs. The relative importance and rate at which IR and behavioural adaptations emerge are poorly understood. We conducted surveillance of mosquito behaviour and IR at 12 sites in Burkina Faso to assess the magnitude and temporal dynamics of insecticide, biting and resting behaviours in vectors in the 2-year period following mass LLIN distribution. Insecticide resistance was present in all vector populations and increased rapidly over the study period. In contrast, no longitudinal shifts in LLIN-avoidance behaviours (earlier or outdoor biting and resting) were detected.

Intraspecific transcriptome variation and sex-biased expression in Anopheles arabiensis

September 1, 2021 - 15:52 -- Open Access
Jayaswal V, Ndo C, Ma HC, Clifton B, Pombi M, Cabrera K, Couhet A, Mouline K, Diabaté A, Dabiré R, Ayala D, Ranz JM
Genome Biol Evol. 2021 Aug 25:evab199

The magnitude and functional patterns of intraspecific transcriptional variation in the anophelines, including those of sex-biased genes underlying sex-specific traits relevant for malaria transmission, remain understudied. As a result, how changes in expression levels drive adaptation in these species is poorly understood. We sequenced the female, male, and larval transcriptomes of three populations of Anopheles arabiensis from Burkina Faso.

Entomological baseline data collection and power analyses in preparation of a mosquito swarm-killing intervention in south-western Burkina Faso

August 25, 2021 - 17:25 -- Open Access
Abdoulaye Niang, Simon P. Sawadogo, Abdoul A. Millogo, Nwamaka O. Akpodiete, Roch K. Dabiré, Frederic Tripet and Abdoulaye Diabaté
Malaria Journal 2021 20:346, 23 August 2021

Insecticides are currently the main tools used to reduce the transmission of malaria; therefore, the development of resistance to insecticides in malaria vectors is of major concern for malaria control. The resistance level to pyrethroids is particularly high in the Western region of Burkina Faso and may affect the efficacy of insecticidal bed nets and indoor residual spraying. Adult mosquito swarming and other nocturnal behaviours exhibit spatial and temporal patterns that suggest potential vulnerability to targeted space spraying with effective insecticides. Indeed, targeted space-spraying against adult mosquito swarms has been used to crash mosquito populations and disrupt malaria transmission.

Is there evidence of anti-malarial multidrug resistance in Burkina Faso?

July 21, 2021 - 17:57 -- Open Access
Charlotte Rasmussen and Pascal Ringwald
Malaria Journal 2021 20:320, 19 July 2021

Recently, Gansané and colleagues published an article on inadequate efficacy of two different forms of artemisinin-based combination therapy (ACT) in Burkina Faso. The development of Plasmodium falciparum resistance to different ACT partner drugs at levels that could affect the efficacy of two ACT would both be startling and a cause for great concern. In reviewing the available data collected since 2008 on ACT efficacy in Burkina Faso, the analysis shows that the reported efficacy of the tested ACT varies greatly.

Data-driven and interpretable machine-learning modeling to explore the fine-scale environmental determinants of malaria vectors biting rates in rural Burkina Faso

June 30, 2021 - 12:44 -- Open Access
Taconet P, Porciani A, Soma DD, Mouline K, Simard F, Koffi AA, Pennetier C, Dabiré RK, Mangeas M, Moiroux N
Parasit Vectors. 2021 Jun 29;14(1):345

Improving the knowledge and understanding of the environmental determinants of malaria vector abundance at fine spatiotemporal scales is essential to design locally tailored vector control intervention. This work is aimed at exploring the environmental tenets of human-biting activity in the main malaria vectors (Anopheles gambiae s.s., Anopheles coluzzii and Anopheles funestus) in the health district of Diébougou, rural Burkina Faso.

Community-based delivery of intermittent preventive treatment of malaria in pregnancy in Burkina Faso: a qualitative study

June 23, 2021 - 14:33 -- Open Access
Danielle Burke, Justin Tiendrebeogo, Courtney Emerson, Susan Youll, Julie Gutman, Ousmane Badolo, Yacouba Savadogo, Kristen Vibbert, Katherine Wolf and William Brieger
Malaria Journal 2021 20:277, 23 June 2021

Burkina Faso is among ten countries with the highest rates of malaria cases and deaths in the world. Delivery and coverage of intermittent preventive treatment of malaria in pregnancy (IPTp) is insufficient in Burkina Faso; In a 2016 survey, only 22% of eligible women had received their third dose of IPTp. It is also an extremely rural country and one with an established cadre of community healthcare workers (CHWs). To better meet the needs of pregnant women, an enhanced programme was established to facilitate distribution of IPTp at the community level by CHWs.

Nutritional status in young children prior to the malaria transmission season in Burkina Faso and Mali, and its impact on the incidence of clinical malaria

June 23, 2021 - 14:05 -- Open Access
Mariken de Wit, Matthew Cairns, Jean Bosco Ouedraogo, et al.
Malaria Journal 2021 20:274, 22 June 2021

Malaria and malnutrition remain major problems in Sahel countries, especially in young children. The direct effect of malnutrition on malaria remains poorly understood, and may have important implications for malaria control. In this study, nutritional status and the association between malnutrition and subsequent incidence of symptomatic malaria were examined in children in Burkina Faso and Mali who received either azithromycin or placebo, alongside seasonal malaria chemoprevention.


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