Effectiveness of seasonal malaria chemoprevention (SMC) treatments when SMC is implemented at scale: Case–control studies in 5 countries
Cairns M, Ceesay S, Sagara I, Zongo I, Kessely H, Gamougam K, Diallo A, Ogboi J, Moroso D, Van Hulle S, Eloike T, Snell P, Scott S, Merle C, Bojang K, Ouedraogo J, Dicko A, Ndiaye J, Milligan P. Effectiveness of seasonal malaria chemoprevention (SMC) treatments when SMC is implemented at scale: Case–control studies in 5 countries. PLOS Medicine 2021, 18: e1003727. PMID: 34495978, PMCID: PMC8457484, DOI: 10.1371/journal.pmed.1003727.Peer-Reviewed Original ResearchMeSH KeywordsAfrica, WesternAge FactorsAmodiaquineAntimalarialsCase-Control StudiesChild, PreschoolCommunicable Disease ControlDrug CombinationsFemaleHumansIncidenceInfantMalaria, FalciparumMaleParasite LoadPlasmodium falciparumProgram EvaluationPyrimethamineRisk AssessmentRisk FactorsSeasonsSulfadoxineTime FactorsTreatment OutcomeConceptsSeasonal malaria chemopreventionCase-control studyClinical malariaOdds ratioClinical trialsNational Malaria Control ProgrammeClinical malaria incidenceIndividual case-control studiesIncidence rate ratiosHigh protective efficacyConditional logistic regressionMalaria control activitiesMalaria control programmesPersonal protectionCase-control designChemoprevention treatmentMalaria chemopreventionSevere malariaSMC treatmentMean agePrimary exposureProtective efficacyResidual confoundingHealth facilitiesParasite densityNutritional status in young children prior to the malaria transmission season in Burkina Faso and Mali, and its impact on the incidence of clinical malaria
de Wit M, Cairns M, Compaoré Y, Sagara I, Kuepfer I, Zongo I, Barry A, Diarra M, Tapily A, Coumare S, Thera I, Nikiema F, Yerbanga R, Guissou R, Tinto H, Dicko A, Chandramohan D, Greenwood B, Ouedraogo J. 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. Malaria Journal 2021, 20: 274. PMID: 34158054, PMCID: PMC8220741, DOI: 10.1186/s12936-021-03802-2.Peer-Reviewed Original ResearchConceptsClinical malaria incidenceSeasonal malaria chemopreventionMalaria transmission seasonClinical malariaNutritional statusMalaria incidenceMalaria chemopreventionSubsequent incidenceTransmission seasonMalaria seasonNutritional indicatorsEffects of malnutritionYoung childrenSymptomatic malariaScreening visitArm circumferenceLower incidenceModerate wastingHigh incidenceRandom effects Poisson modelBurkina FasoInsecticidal netsMalaria controlMalnutritionMalaria