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sub-Saharan Africa

Seasonal malaria chemoprevention: closing the know-do gap

December 8, 2020 - 10:02 -- Open Access
Ashley EA, Yeka A
Lancet. 2020 Dec 5;396(10265):1778-1779

Malaria continues to impact on young lives, causing sickness, impaired school performance, disability, and preventable death, with little progress made to reduce the overall burden since 2014. In 2019, 274 000, or 67%, of all malaria deaths were in children younger than 5 years in sub-Saharan Africa. WHO has recommended seasonal malaria chemoprevention (SMC) for malaria control in areas across the Sahel sub-region since 2012.

Preventive malaria treatment among school-aged children in sub-Saharan Africa: a systematic review and meta-analyses

December 3, 2020 - 12:27 -- Open Access
Cohee LM, Opondo C, Chico RM, et al.
Lancet Glob Health. 2020 Dec;8(12):e1499-e1511

The burden of malaria infection in sub-Saharan Africa among school-aged children aged 5–15 years is underappreciated and represents an important source of human-to-mosquito transmission of Plasmodium falciparum. Additional interventions are needed to control and eliminate malaria. We aimed to assess whether preventive treatment of malaria might be an effective means of reducing P falciparum infection and anaemia in school-aged children and lowering parasite transmission.

'The Fever': Questioning Malaria Management as a Colonial Legacy

November 25, 2020 - 13:03 -- Open Access
Weingartner K
Development (Rome). 2020 Nov 20:1-4

Malaria is the oldest disease of humankind. It is known to have killed more people than all other diseases and wars on Earth combined together and it is probably the one single disease with the most dollars in its belly, when it comes to research and development funding.

Ecological drivers of genetic connectivity for African malaria vectors Anopheles gambiae and An. arabiensis

November 19, 2020 - 13:45 -- Open Access
Hemming-Schroeder E, Zhong D, Machani M, Nguyen H, Thong S, Kahindi S, Mbogo C, Atieli H, Githeko A, Lehmann T, Kazura JW, Yan G
Sci Rep. 2020 Nov 17;10(1):19946

Anopheles gambiae and An. arabiensis are major malaria vectors in sub-Saharan Africa. Knowledge of how geographical factors drive the dispersal and gene flow of malaria vectors can help in combatting insecticide resistance spread and planning new vector control interventions.

NOT Open Access | Update on malaria

November 19, 2020 - 12:56 -- NOT Open Access
Varo R, Chaccour C, Bassat Q
Med Clin (Barc). 2020 Nov 13;155(9):395-402

Despite recent successful efforts to reduce the global malaria burden, this disease remains a significant global health problem. Only in 2018, malaria caused 228 million clinical episodes, 2-4 million of which were severe malaria cases, and 405,000 were fatal. Most of the malaria attributable mortality occurred among children in sub-Saharan Africa.

Molecular surveillance of antimalarial partner drug resistance in sub-Saharan Africa: a spatial-temporal evidence mapping study

November 18, 2020 - 12:27 -- Open Access
Hanna Y Ehrlich, Justin Jones, Sunil Parikh
Lancet Microbe. 2020 Sep;1(5):e209-e217.

Molecular markers for antimalarial drug resistance can be used to rapidly monitor the emergence and spatial distribution of resistance to artemisinin-based combination therapies (ACTs). Little has been done to analyse molecular surveillance efforts or to assess surveillance coverage. This study aimed to develop an evidence map to characterise the spatial-temporal distribution and sampling methodologies of drug resistance surveillance in sub-Saharan Africa, specifically focusing on markers associated with ACT partner drugs.

Pharmacovigilance of suspected or confirmed therapeutic ineffectiveness of artemisinin-based combination therapy: extent, associated factors, challenges and solutions to reporting

November 4, 2020 - 10:04 -- Open Access
Ronald Kiguba, Helen Byomire Ndagije, Victoria Nambasa, Leonard Manirakiza, Elijah Kirabira, Allan Serwanga, Sten Olsson, Niko Speybroeck and Jackson Mukonzo
Malaria Journal 2020 19:389, 3 November 2020

Therapeutic ineffectiveness of artemisinin-based combination therapy (ACT) increases the risk of malaria-related morbidity and mortality, and raises healthcare costs. Yet, little has been done to promote the pharmacovigilance (PV) of ACT ineffectiveness in sub-Saharan Africa, particularly in Uganda. This study aimed to determine the extent and associated factors of the past 6 months reporting of suspected or confirmed ACT therapeutic ineffectiveness by healthcare professionals (HCPs), and difficulties and potential solutions to the PV of ACT therapeutic ineffectiveness.

Malaria and risk of lymphoid neoplasms and other cancer: a nationwide population-based cohort study

November 4, 2020 - 09:30 -- Open Access
Wyss K, Granath F, Wångdahl A, Djärv T, Fored M, Naucler P, Färnert A
BMC Med. 2020 Oct 30;18(1):296

Malaria is associated with Burkitt lymphoma among children in Sub-Saharan Africa. No longitudinal studies have assessed the long-term risk of other lymphoma or cancer overall. Here, we investigated the risk of lymphoid neoplasms and other cancer after malaria.

The effect of blood transfusion on outcomes among African children admitted to hospital with Plasmodium falciparum malaria: a prospective, multicentre observational study

November 3, 2020 - 14:55 -- Open Access
Ackerman H, Ayestaran A, Casals-Pascual C, et al.
Lancet Haematol. 2020 Nov;7(11):e789-e797

Infection with Plasmodium falciparum leads to severe malaria and death in approximately 400 000 children each year in sub-Saharan Africa. Blood transfusion might benefit some patients with malaria but could potentially harm others. The aim of this study was to estimate the association between transfusion and death among children admitted to hospital with P falciparum malaria.

Spatiotemporal mapping of malaria prevalence in Madagascar using routine surveillance and health survey data

October 28, 2020 - 08:42 -- Open Access
Arambepola R, Keddie SH, Cameron E, et al.
Sci Rep. 2020 Oct 22;10(1):18129

Malaria transmission in Madagascar is highly heterogeneous, exhibiting spatial, seasonal and long-term trends. Previous efforts to map malaria risk in Madagascar used prevalence data from Malaria Indicator Surveys. These cross-sectional surveys, conducted during the high transmission season most recently in 2013 and 2016, provide nationally representative prevalence data but cover relatively short time frames.


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