2024
Disentangling the influence of reservoir abundance and pathogen shedding on zoonotic spillover of the Leptospira agent in urban informal settlements
Soni N, Eyre M, Souza F, Diggle P, Ko A, Begon M, Pickup R, Childs J, Khalil H, Carvalho-Pereira T, Pertile A, Carvalho M, de Oliveira D, Nery N, Giorgi E, Costa F. Disentangling the influence of reservoir abundance and pathogen shedding on zoonotic spillover of the Leptospira agent in urban informal settlements. Frontiers In Public Health 2024, 12: 1447592. PMID: 39360250, PMCID: PMC11445007, DOI: 10.3389/fpubh.2024.1447592.Peer-Reviewed Original ResearchRat abundanceReservoir abundanceAbundance of ratsEnvironmentally transmitted diseasesVegetation land coverInfection riskSexually mature ratsHuman infection riskLive trapsUrban informal settlementsZoonotic spilloverLand coverSpatial variationHydrological factorsValley bottomTrack plateAbundanceHuman riskShedding rateMature ratsEco-epidemiological studiesLeptospira infectionSpillover transmissionSpatial distributionInformal settlements
2022
Linking rattiness, geography and environmental degradation to spillover Leptospira infections in marginalised urban settings: An eco-epidemiological community-based cohort study in Brazil
Eyre MT, Souza FN, Carvalho-Pereira T, Nery N, de Oliveira D, Cruz JS, Sacramento GA, Khalil H, Wunder EA, Hacker KP, Hagan JE, Childs JE, Reis MG, Begon M, Diggle PJ, Ko AI, Giorgi E, Costa F. Linking rattiness, geography and environmental degradation to spillover Leptospira infections in marginalised urban settings: An eco-epidemiological community-based cohort study in Brazil. ELife 2022, 11: e73120. PMID: 36111781, PMCID: PMC9560157, DOI: 10.7554/elife.73120.Peer-Reviewed Original ResearchConceptsInfection riskSignificant global public health burdenCommunity-based cohort studyGlobal public health burdenPublic health burdenAgents of leptospirosisExposure of interestYears of agePublic health interventionsHigh-risk communitiesJoint spatial modellingZoonotic spilloverCohort studyHuman infection riskMale genderSerological evidenceHealth burdenLeptospira infectionLeptospiral infectionInfection rateHealth interventionsEco-epidemiological studiesHealth surveillanceFundação de Amparo à PesquisaOswaldo Cruz Foundation
2019
Coinfection modifies carriage of enzootic and zoonotic parasites in Norway rats from an urban slum
Carvalho‐Pereira T, Souza F, do Nascimento Santos L, Pedra G, Minter A, Bahiense T, Reis M, Ko A, Childs J, da Silva E, Costa F, Begon M. Coinfection modifies carriage of enzootic and zoonotic parasites in Norway rats from an urban slum. Ecosphere 2019, 10 DOI: 10.1002/ecs2.2887.Peer-Reviewed Original ResearchUrban slumsLoad of parasitesZoonotic parasitesUrban ratsStrongyloides spBrazilian urban slumsIntensity of infectionReduced prevalenceNippostrongylus brasiliensisCoinfectionSignificant associationInfection riskRatsNematode Angiostrongylus cantonensisAngiostrongylus cantonensisInfectionNorway ratsEggs/larvaeCantonensisZoonotic pathogensCorrelation testInterrogansParasitesPopulation