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
2023
Dynamics of chikungunya virus transmission in the first year after its introduction in Brazil: A cohort study in an urban community
Anjos R, Portilho M, Jacob-Nascimento L, Carvalho C, Moreira P, Sacramento G, Nery N, de Oliveira D, Cruz J, Cardoso C, Argibay H, Plante K, Plante J, Weaver S, Kitron U, Reis M, Ko A, Costa F, Ribeiro G. Dynamics of chikungunya virus transmission in the first year after its introduction in Brazil: A cohort study in an urban community. PLOS Neglected Tropical Diseases 2023, 17: e0011863. PMID: 38150470, PMCID: PMC10775974, DOI: 10.1371/journal.pntd.0011863.Peer-Reviewed Original Research
2020
Transmission of Chikungunya Virus in a Brazilian Urban Slum - Volume 26, Number 7—July 2020 - Emerging Infectious Diseases journal - CDC
Anjos RO, Mugabe VA, Moreira PSS, Carvalho CX, Portilho MM, Khouri R, Sacramento GA, Nery NRR, Reis MG, Kitron UD, Ko AI, Costa F, Ribeiro GS. Transmission of Chikungunya Virus in a Brazilian Urban Slum - Volume 26, Number 7—July 2020 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2020, 26: 1364-1373. PMID: 32568045, PMCID: PMC7323528, DOI: 10.3201/eid2607.190846.Peer-Reviewed Original ResearchConceptsEpisodes of feverChikungunya outbreakInfectious Diseases journal - CDCSymptomatic infection ratePresumptive clinical diagnosisSufficient herd immunityCommunity-based studyFurther longitudinal studiesCHIKV seroprevalenceSeropositive personsVirus seroprevalenceClinical dataHerd immunityChikungunya virusInfection rateClinical diagnosisSerum samplesDisease pointUnpaved streetsArthralgiaLongitudinal studyFeverSeroprevalenceEpisodesOutbreak
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