2025
Topography and environmental deficiencies are associated with chikungunya virus exposure in urban informal settlements in Salvador, Brazil
Travis C, Argibay H, Pellizzaro M, de Oliveira D, Santana R, Palma F, Lustosa R, Santana J, Souza F, López Y, Reis M, Ko A, Diggle P, Ribeiro G, Begon M, Costa F, Khalil H, Eyre M. Topography and environmental deficiencies are associated with chikungunya virus exposure in urban informal settlements in Salvador, Brazil. PLOS Neglected Tropical Diseases 2025, 19: e0013477. PMID: 40911655, PMCID: PMC12440227, DOI: 10.1371/journal.pntd.0013477.Peer-Reviewed Original ResearchConceptsUrban informal settlementsPublic health burdenLow-income communitiesInformal settlementsGlobal public health burdenBinomial mixed-effects modelDegree of urbanisationHealth burdenMixed-effects modelsCHIKV seroprevalenceEnvironmental deficienciesReduced riskAssociated with seropositivityRisk factorsUrban communitiesMale sexBrazilian citiesRiskHouseholdsCommunityCHIKV seropositivityIndividualsEnvironmental factorsExposure patternsDomains individuals
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
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