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 individualsGender differences in Leptospira exposure risk, perceptions of disease severity, and high-risk behaviours in Salvador, Brazil: A cross-sectional study
Delight E, Santiago D, Palma F, de Oliveira D, Souza F, Santana J, Hidano A, López Y, Reis M, Ko A, Marphatia A, Cremonese C, Costa F, Eyre M. Gender differences in Leptospira exposure risk, perceptions of disease severity, and high-risk behaviours in Salvador, Brazil: A cross-sectional study. PLOS Global Public Health 2025, 5: e0004786. PMID: 40577380, PMCID: PMC12204547, DOI: 10.1371/journal.pgph.0004786.Peer-Reviewed Original ResearchHigh-risk behaviorsUrban informal settlementsGender lensHealth promotion programsInformal settlementsGender identityHigh riskGender-neutralPerception of disease severityCross-sectional studySex-disaggregated analysesGender-specific riskLogistic regression modelsPromotion programsWalking barefootClimate hazardsGender differencesExposure riskEvidence gapsSalvadorGenderCross-sectional serosurveySurveillance dataAssociated with seropositivityWomen
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
2020
Slum Health: Arresting COVID-19 and Improving Well-Being in Urban Informal Settlements
Corburn J, Vlahov D, Mberu B, Riley L, Caiaffa WT, Rashid SF, Ko A, Patel S, Jukur S, Martínez-Herrera E, Jayasinghe S, Agarwal S, Nguendo-Yongsi B, Weru J, Ouma S, Edmundo K, Oni T, Ayad H. Slum Health: Arresting COVID-19 and Improving Well-Being in Urban Informal Settlements. Journal Of Urban Health 2020, 97: 348-357. PMID: 32333243, PMCID: PMC7182092, DOI: 10.1007/s11524-020-00438-6.Peer-Reviewed Original ResearchConceptsUrban informal settlementsInformal settlementsSet of practicesCOVID-19 responseGlobal SouthHumanitarian standardsUrban poorAdequate housingInternational aidPublic administrationPrecarious settlementsCommunity groupsFood assistanceSocial groupsPolicy suggestionsSlum communitiesBasic needsDisaster responseImmediate moratoriumCOVID-19Long-term planCommunity health workersUrban populationSettlementSlums
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