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 ResearchMeSH KeywordsAdultAnimalsBrazilCohort StudiesEpidemiologic StudiesGeographyHumansLeptospirosisMalePoverty AreasRatsZoonosesConceptsInfection 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 FoundationEvaluation of the impact of chemical control on the ecology of Rattus norvegicus of an urban community in Salvador, Brazil
Pertile A, Lustosa R, Carvalho-Pereira T, Pedra G, Panti-May J, Oliveira U, Zeppelini C, Souza F, Oliveira D, Khalil H, Reis M, Childs J, Ko A, Begon M, Costa F. Evaluation of the impact of chemical control on the ecology of Rattus norvegicus of an urban community in Salvador, Brazil. PLOS ONE 2022, 17: e0270568. PMID: 35857771, PMCID: PMC9299319, DOI: 10.1371/journal.pone.0270568.Peer-Reviewed Original ResearchConceptsRodent control programsDemographic variablesSpirochete Leptospira interrogansControl interventionsCommunity settingsR. norvegicusChi-squareControl of zoonosesLeptospira interrogansChemical interventionDemographic characteristicsInterventionIntervention campaignsRodentsSynanthropic rodentsMonthsBody massControl programsControl practicesRattus norvegicusControl campaignsUrban poor communitiesPopulationEnvironmental transmissionAnalysis of variance
2021
Genetic Evidence for a Potential Environmental Pathway to Spillover Infection of Rat-Borne Leptospirosis
Casanovas-Massana A, de Oliveira D, Schneider AG, Begon M, Childs JE, Costa F, Reis MG, Ko AI, Wunder EA. Genetic Evidence for a Potential Environmental Pathway to Spillover Infection of Rat-Borne Leptospirosis. The Journal Of Infectious Diseases 2021, 225: 130-134. PMID: 34139761, PMCID: PMC8730487, DOI: 10.1093/infdis/jiab323.Peer-Reviewed Original ResearchConceptsPotential environmental pathwaysEnvironmental reservoirsSpillover infectionsEnvironmental pathwaysHuman leptospirosis casesSevere leptospirosisLeptospirosis infectionLeptospirosis casesMolecular epidemiologyGenetic evidencePathogenic LeptospiraLeptospira interrogansInfectionLeptospirosisUrban slumsSpillover pathwaysRat specimensReservoirPathwayUrban communitiesCommunityEpidemiology
2020
Effects of Accounting for Interval-Censored Antibody Titer Decay on Seroincidence in a Longitudinal Cohort Study of Leptospirosis
Bonner K, Cruz JS, Sacramento GA, de Oliveira D, Nery N, Carvalho M, Costa F, Childs JE, Ko AI, Diggle PJ. Effects of Accounting for Interval-Censored Antibody Titer Decay on Seroincidence in a Longitudinal Cohort Study of Leptospirosis. American Journal Of Epidemiology 2020, 190: 893-899. PMID: 33274738, PMCID: PMC8096484, DOI: 10.1093/aje/kwaa253.Peer-Reviewed Original ResearchMeSH KeywordsBrazilHumansIncidenceItalyLeptospirosisLongitudinal StudiesRisk FactorsSeroepidemiologic StudiesConceptsLongitudinal cohort studyCohort studyMicroscopic agglutination test titersAgglutination test titersHigh transmission settingsPoint-source exposureSeroincidence ratesEstimates of infectionRisk factorsTest titersReported casesEpidemiologic implicationsInfection rateMean infection rateSerological samplesSerological assaysLeptospirosis casesInfectionArboviral diseasesTiter dilutionsSeroincidenceSource exposureLeptospirosisSample size estimationIntervalAmplification of pathogenic Leptospira infection with greater abundance and co‐occurrence of rodent hosts across a counter‐urbanizing landscape
Peterson AC, Ghersi BM, Riegel C, Wunder EA, Childs JE, Blum MJ. Amplification of pathogenic Leptospira infection with greater abundance and co‐occurrence of rodent hosts across a counter‐urbanizing landscape. Molecular Ecology 2020, 30: 2145-2161. PMID: 33107122, DOI: 10.1111/mec.15710.Peer-Reviewed Original Research