2023
Simplified sewerage to prevent urban leptospirosis transmission: a cluster non-randomised controlled trial protocol in disadvantaged urban communities of Salvador, Brazil
Cremonese C, Souza F, Palma F, Sodré J, Brito R, dos Santos Ribeiro P, Santana J, Coelho R, Ticona J, Nazaré R, de Oliveira D, Silva C, Eyre M, de Araújo Mendes V, Knee J, Ristow P, Stauber C, López Y, Giorgi E, Diggle P, Reis M, Cumming O, Ko A, Costa F. Simplified sewerage to prevent urban leptospirosis transmission: a cluster non-randomised controlled trial protocol in disadvantaged urban communities of Salvador, Brazil. BMJ Open 2023, 13: e065009. PMID: 37355266, PMCID: PMC10314607, DOI: 10.1136/bmjopen-2022-065009.Peer-Reviewed Original ResearchConceptsBrazilian Clinical Trials RegistryNon-randomised interventionClinical Trials RegistryNational Research Ethics CommitteeMajor health problemQuasi-experimental study designIntervention-control pairsRoute of exposureSecondary outcomesPrimary outcomeTrials RegistryResearch Ethics CommitteeRisk of exposureSerological measurementsStudy protocolTrial protocolPeer-reviewed publicationsHealth problemsControl clustersAetiological agentInfected rodentsStudy designLeptospirosis transmissionEthics CommitteeUrban slumsBartonella in Norway rats (Rattus norvegicus) from the urban slum environment in Brazil
Zeppelini C, Oliveira D, Kosoy M, Reis M, Ko A, Childs J, Costa F. Bartonella in Norway rats (Rattus norvegicus) from the urban slum environment in Brazil. Anais Da Academia Brasileira De Ciências 2023, 95: e20220809. PMID: 37909607, DOI: 10.1590/0001-3765202320220809.Peer-Reviewed Original Research
2022
Leptospira Infection in Rural Areas of Urabá Region, Colombia: A Prospective Study.
Quintero-Vélez J, Rodas J, Rojas C, Ko A, Wunder E. Leptospira Infection in Rural Areas of Urabá Region, Colombia: A Prospective Study. American Journal Of Tropical Medicine And Hygiene 2022, 107: 1267-1277. PMID: 36375452, PMCID: PMC9768283, DOI: 10.4269/ajtmh.21-1103.Peer-Reviewed Original ResearchConceptsOutdoor occupationsLeptospira infectionProspective studyRisk factorsMultivariable modelLeptospira seroprevalenceLogistic regression modelsEco-epidemiological aspectsMultinomial logistic regression modelsMultivariable analysisSerologic testingPrimary exposureMale genderMicroscopic agglutinationPresence of ratsOlder ageRural areasLeptospira serogroupsInfectionSeroincidenceLeptospira speciesSeroprevalenceSerogroupsRegression modelsDirt floorsLinking 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 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
Effect of Sewerage on the Contamination of Soil with Pathogenic Leptospira in Urban Slums
Casanovas-Massana A, Souza F, Curry M, de Oliveira D, de Oliveira AS, Eyre MT, Santiago D, Santos M, Serra RMR, Lopes E, Xavier BI, Diggle PJ, Wunder EA, Reis MG, Ko AI, Costa F. Effect of Sewerage on the Contamination of Soil with Pathogenic Leptospira in Urban Slums. Environmental Science And Technology 2021, 55: 15882-15890. PMID: 34767339, PMCID: PMC9302045, DOI: 10.1021/acs.est.1c04916.Peer-Reviewed Original ResearchGenetic 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 communitiesCommunityEpidemiologyAngiostrongylus cantonensis in urban populations of terrestrial gastropods and rats in an impoverished region of Brazil.
Souza F, Aguiar Santos M, Almeida Alves D, Cecília Vieira de Melo L, Jessé Gonçalves da Mota D, Cristina Pertile A, Gava R, Luiz Silva Pinto P, Eyre M, Graco Zeppelini C, Reis M, Ko A, Begon M, Bahiense T, Costa F, Carvalho-Pereira T. Angiostrongylus cantonensis in urban populations of terrestrial gastropods and rats in an impoverished region of Brazil. Parasitology 2021, 148: 994-1002. PMID: 33843507, PMCID: PMC11010192, DOI: 10.1017/s0031182021000597.Peer-Reviewed Original ResearchHousehold rat infestation in urban slum populations: Development and validation of a predictive score for leptospirosis
Costa F, Zeppelini CG, Ribeiro GS, Santos N, Reis RB, Martins RD, Bittencourt D, Santana C, Brant J, Reis MG, Ko AI. Household rat infestation in urban slum populations: Development and validation of a predictive score for leptospirosis. PLOS Neglected Tropical Diseases 2021, 15: e0009154. PMID: 33657101, PMCID: PMC7959339, DOI: 10.1371/journal.pntd.0009154.Peer-Reviewed Original Research
2020
A multivariate geostatistical framework for combining multiple indices of abundance for disease vectors and reservoirs: a case study of rattiness in a low-income urban Brazilian community
Eyre MT, Carvalho-Pereira TSA, Souza FN, Khalil H, Hacker KP, Serrano S, Taylor JP, Reis MG, Ko AI, Begon M, Diggle PJ, Costa F, Giorgi E. A multivariate geostatistical framework for combining multiple indices of abundance for disease vectors and reservoirs: a case study of rattiness in a low-income urban Brazilian community. Journal Of The Royal Society Interface 2020, 17: 20200398. PMID: 32871096, PMCID: PMC7536052, DOI: 10.1098/rsif.2020.0398.Peer-Reviewed Original ResearchSevere leptospirosis after rat bite: A case report
Vinholo T, Ribeiro GS, Silva NF, Cruz J, Reis MG, Ko AI, Costa F. Severe leptospirosis after rat bite: A case report. PLOS Neglected Tropical Diseases 2020, 14: e0008257. PMID: 32645040, PMCID: PMC7347098, DOI: 10.1371/journal.pntd.0008257.Peer-Reviewed Original Research
2002
Population-based case-control investigation of risk factors for leptospirosis during an urban epidemic.
Sarkar U, Nascimento S, Barbosa R, Martins R, Nuevo H, Kalofonos I, Kalafanos I, Grunstein I, Flannery B, Dias J, Riley L, Reis M, Ko A. Population-based case-control investigation of risk factors for leptospirosis during an urban epidemic. American Journal Of Tropical Medicine And Hygiene 2002, 66: 605-10. PMID: 12201599, DOI: 10.4269/ajtmh.2002.66.605.Peer-Reviewed Original ResearchConceptsRisk factorsUrban epidemicPopulation-based case-control studyPopulation-based case-control investigationIndependent risk factorLaboratory-confirmed casesHealthy neighbourhood controlsCase-control investigationCase-control studyCases of leptospirosisSevere leptospirosisWeil's syndromeWorkplace exposuresNeighborhood controlsHigh endemicityLeptospirosisFocused interventionsMore ratsSyndromeRatsEpidemicEnvironmental sourcesComplicationsFactorsMortality