2022
Structural factors associated with SARS-CoV-2 infection risk in an urban slum setting in Salvador, Brazil: A cross-sectional survey
Fofana MO, Nery N, Ticona J, de Andrade Belitardo EMM, Victoriano R, Anjos RO, Portilho MM, de Santana MC, dos Santos LL, de Oliveira D, Cruz JS, Muenker MC, Khouri R, Wunder EA, Hitchings MDT, Johnson O, Reis MG, Ribeiro GS, Cummings DAT, Costa F, Ko AI. Structural factors associated with SARS-CoV-2 infection risk in an urban slum setting in Salvador, Brazil: A cross-sectional survey. PLOS Medicine 2022, 19: e1004093. PMID: 36074784, PMCID: PMC9499230, DOI: 10.1371/journal.pmed.1004093.Peer-Reviewed Original ResearchMeSH KeywordsAdultBrazilChildCOVID-19Cross-Sectional StudiesFemaleHumansImmunoglobulin GMalePandemicsPoverty AreasSARS-CoV-2Seroepidemiologic StudiesSpike Glycoprotein, CoronavirusConceptsSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionAcute respiratory syndrome coronavirus 2 infectionSARS-CoV-2 infection riskUrban slumsSyndrome coronavirus 2 infectionSARS-CoV-2 seroprevalenceSARS-CoV-2 incidenceCoronavirus 2 infectionCross-sectional serosurveyMain outcome measuresUrban slum populationPresence of IgGSARS-CoV-2 spike proteinUrban slum communityCross-sectional surveyUrban slum residentsCumulative incidenceMedian ageRisk factorsOutcome measuresStudy populationHigh seroprevalenceMedian dailyPandemic waveGender distribution
2021
Social determinants associated with Zika virus infection in pregnant women
Nery N, Ticona J, Gambrah C, Doss-Gollin S, Aromolaran A, Rastely-Júnior V, Lessa M, Sacramento GA, Cruz JS, de Oliveira D, dos Santos LL, da Silva CG, Botosso VF, Soares CP, Araujo DB, Oliveira DB, dos Santos Alves RP, Andreata-Santos R, Durigon EL, de Souza Ferreira LC, Wunder EA, Khouri R, Oliveira-Filho J, de Siqueira IC, Almeida ARP, Reis MG, Ko AI, Costa F. Social determinants associated with Zika virus infection in pregnant women. PLOS Neglected Tropical Diseases 2021, 15: e0009612. PMID: 34329305, PMCID: PMC8323902, DOI: 10.1371/journal.pntd.0009612.Peer-Reviewed Original ResearchMeSH KeywordsAdultBrazilCross-Sectional StudiesFemaleHumansPregnancyPregnancy Complications, InfectiousRisk FactorsSocioeconomic FactorsZika Virus InfectionConceptsPregnant womenSocial determinantsZIKV exposureZIKV infectionZika virusPlaque reduction neutralization testReferral maternity hospitalZika virus infectionReduction neutralization testCross-sectional studyKey social determinantsZIKV resultsClinical characteristicsMaternity hospitalRisk factorsVirus infectionExposure statusSociodemographic determinantsNeutralization testMultivariate analysisInfection riskLogistic regressionLower educationFuture interventionsInfectionPoverty, sanitation, and Leptospira transmission pathways in residents from four Brazilian slums
Khalil H, Santana R, de Oliveira D, Palma F, Lustosa R, Eyre MT, Carvalho-Pereira T, Reis MG, Ko AI, Diggle PJ, Lopez Y, Begon M, Costa F. Poverty, sanitation, and Leptospira transmission pathways in residents from four Brazilian slums. PLOS Neglected Tropical Diseases 2021, 15: e0009256. PMID: 33788864, PMCID: PMC8041187, DOI: 10.1371/journal.pntd.0009256.Peer-Reviewed Original ResearchMeSH KeywordsAdultBrazilCross-Sectional StudiesFemaleHumansLeptospirosisMaleMiddle AgedPovertyPoverty AreasSanitationSocial ClassKnowledge, Attitude, and Practices regarding Leptospirosis among Visitors to a Recreational Forest in Malaysia
Shafie NJ, Halim N, Zalipah M, Amin N, Esa S, Md-Nor S, Casanovas-Massana A, Ko AI, Palma F, Souza F, Costa F. Knowledge, Attitude, and Practices regarding Leptospirosis among Visitors to a Recreational Forest in Malaysia. American Journal Of Tropical Medicine And Hygiene 2021, 104: 1290-1296. PMID: 33534768, PMCID: PMC8045624, DOI: 10.4269/ajtmh.20-0306.Peer-Reviewed Original ResearchConceptsHigh-risk groupPractice scoresWorldwide public health problemCross-sectional studyPublic health problemHigher practice scoresHigher knowledge scoresAppropriate prevention programsGood practice habitsHigh riskHealth problemsKnowledge scorePrevention programsPractice habitsLeptospirosisMajority of respondentsLeptospirosis transmissionMajor causeDiseaseTransmission routesZoonotic diseaseHigher knowledgePotential outbreaksScoresFinal model
2020
Seroepidemiology of Leptospira infection in slaughtered cattle in Gauteng province, South Africa
Dogonyaro BB, van Heerden H, Potts AD, Kolo BF, Lotter C, Katsande C, Fasina FO, Ko AI, Wunder EA, Adesiyun AA. Seroepidemiology of Leptospira infection in slaughtered cattle in Gauteng province, South Africa. Tropical Animal Health And Production 2020, 52: 3789-3798. PMID: 33009586, PMCID: PMC10407966, DOI: 10.1007/s11250-020-02417-0.Peer-Reviewed Original ResearchMeSH KeywordsAbattoirsAgglutination TestsAnimalsCattleCattle DiseasesCross-Sectional StudiesLeptospiraLeptospirosisRisk FactorsSeroepidemiologic StudiesSerogroupSouth AfricaConceptsSeroprevalence of leptospirosisMicroscopic agglutination testRisk factorsCattle populationSeropositive cattleSerogroup SejroeSouth AfricaCattleCross-sectional studyLeptospira sppPublic health importancePredominant serogroupVaccine serogroupsAbattoirLivestockLeptospira infectionGauteng ProvinceCutoff titerBlood samplesLeptospirosisSejroeDemographic dataHealth importanceAgglutination testSeroprevalenceTransmission 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 ResearchMeSH KeywordsAntibodies, ViralBrazilChikungunya FeverChikungunya virusCross-Sectional StudiesDisease OutbreaksHumansPoverty AreasSeroepidemiologic StudiesConceptsEpisodes 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
2019
Seroprevalence, Risk Factors, and Rodent Reservoirs of Leptospirosis in an Urban Community of Puerto Rico, 2015
Briskin EA, Casanovas-Massana A, Ryff KR, Morales-Estrada S, Hamond C, Perez-Rodriguez NM, Benavidez KM, Weinberger DM, Castro-Arellano I, Wunder EA, Sharp TM, Rivera-Garcia B, Ko AI. Seroprevalence, Risk Factors, and Rodent Reservoirs of Leptospirosis in an Urban Community of Puerto Rico, 2015. The Journal Of Infectious Diseases 2019, 220: 1489-1497. PMID: 31342075, PMCID: PMC6761939, DOI: 10.1093/infdis/jiz339.Peer-Reviewed Original ResearchConceptsRisk factorsAnti-Leptospira antibodiesBurden of leptospirosisRisk of infectionMicroscopic agglutination testCross-sectional surveyQuantitative polymerase chain reactionSeropositive individualsPrevious infectionPolymerase chain reactionLeptospira infectionLeptospira carriageSerogroup IcterohaemorrhagiaeHigh titersStudy participantsAgglutination testLeptospira exposurePathogenic LeptospiraInfectionRodent reservoirsChain reactionAntibodiesRodent trappingSeroprevalenceCommunity sites