2022
Malaria transmission structure in the Peruvian Amazon through antibody signatures to Plasmodium vivax
Rosado J, Carrasco-Escobar G, Nolasco O, Garro K, Rodriguez-Ferruci H, Guzman-Guzman M, Llanos-Cuentas A, Vinetz JM, Nekkab N, White MT, Mueller I, Gamboa D. Malaria transmission structure in the Peruvian Amazon through antibody signatures to Plasmodium vivax. PLOS Neglected Tropical Diseases 2022, 16: e0010415. PMID: 35533146, PMCID: PMC9119515, DOI: 10.1371/journal.pntd.0010415.Peer-Reviewed Original ResearchConceptsSerological exposure markersP. vivaxMalaria transmissionAntibody levelsRecent exposureRoutine malaria surveillanceHigher antibody levelsCross-sectional surveyLight microscopySeropositive casesAntibody signaturesPast infectionRisk factorsPrevalence surveyHigher oddsMalaria surveillanceExposure markersElimination effortsSignificant associationSocio-DemographicEpidemiological analysisSerological surveillanceParticular epidemiologyLocal transmissionVivaxRelative contribution of low-density and asymptomatic infections to Plasmodium vivax transmission in the Amazon: pooled analysis of individual participant data from population-based cross-sectional surveys
Ferreira MU, Corder RM, Johansen IC, Kattenberg JH, Moreno M, Rosas-Aguirre A, Ladeia-Andrade S, Conn JE, Llanos-Cuentas A, Gamboa D, Rosanas-Urgell A, Vinetz JM. Relative contribution of low-density and asymptomatic infections to Plasmodium vivax transmission in the Amazon: pooled analysis of individual participant data from population-based cross-sectional surveys. The Lancet Regional Health - Americas 2022, 9: 100169. PMID: 35663000, PMCID: PMC9161731, DOI: 10.1016/j.lana.2021.100169.Peer-Reviewed Original ResearchIndividual participant dataPolymerase chain reactionClinical manifestationsParasite densityMosquito infectionMalaria transmissionPopulation-based cross-sectional surveyParticipant dataMalaria elimination strategiesPopulation-based surveyHigh parasite densityCross-sectional surveyInfected childrenClinical symptomsAsymptomatic infectionUS National InstitutesAsymptomatic carriersParasite carriersInfectious reservoirVivax transmissionInfectionFundação de Amparo à PesquisaChain reactionNational InstituteElimination strategy
2021
Cohort profile: the Mâncio Lima cohort study of urban malaria in Amazonian Brazil
Johansen IC, Rodrigues PT, Tonini J, Vinetz J, Castro MC, Ferreira MU. Cohort profile: the Mâncio Lima cohort study of urban malaria in Amazonian Brazil. BMJ Open 2021, 11: e048073. PMID: 34789490, PMCID: PMC8727682, DOI: 10.1136/bmjopen-2020-048073.Peer-Reviewed Original ResearchConceptsMalaria transmissionCohort studyPopulation-based open cohort studySARS-CoV-2 IgG antibodiesConsecutive cross-sectional surveysLaboratory-confirmed malariaSustained malaria transmissionOpen cohort studyConsecutive study visitsHigh-risk individualsSimilar study protocolMalaria prevalence ratesCross-sectional surveyMorbidity informationIgG antibodiesStudy protocolStudy visitOverall burdenPrevalence ratesBlood samplesMalaria diagnosisTravel historyControl interventionsStudy participantsGreater riskPvMSP8 as a Novel Plasmodium vivax Malaria Sero-Marker for the Peruvian Amazon
Villasis E, Garro K, Rosas-Aguirre A, Rodriguez P, Rosado J, Gave A, Guzman-Guzman M, Manrique P, White M, Speybroeck N, Vinetz JM, Torres K, Gamboa D. PvMSP8 as a Novel Plasmodium vivax Malaria Sero-Marker for the Peruvian Amazon. Pathogens 2021, 10: 282. PMID: 33801386, PMCID: PMC7999794, DOI: 10.3390/pathogens10030282.Peer-Reviewed Original ResearchSerological responsePopulation-based cross-sectional surveyRecent malaria exposureMerozoite surface protein 8Non-exposed individualsCross-sectional surveyMalaria control effortsTime of surveyPV exposureMalaria exposureIgG antibodiesTransmission settingsPV infectionGood biomarkerRecent exposurePast monthIgGPlasma samplesProtein 8Second evaluationExposureFirst evaluationIndividualsLuminexCohort