2015
Global Burden of Leptospirosis: Estimated in Terms of Disability Adjusted Life Years
Torgerson PR, Hagan JE, Costa F, Calcagno J, Kane M, Martinez-Silveira MS, Goris MG, Stein C, Ko AI, Abela-Ridder B. Global Burden of Leptospirosis: Estimated in Terms of Disability Adjusted Life Years. PLOS Neglected Tropical Diseases 2015, 9: e0004122. PMID: 26431366, PMCID: PMC4591975, DOI: 10.1371/journal.pntd.0004122.Peer-Reviewed Original ResearchMeSH KeywordsCost of IllnessDisability EvaluationFemaleGlobal HealthHumansLeptospirosisMaleQuality-Adjusted Life YearsUncertaintyConceptsDisability Adjusted Life YearsGlobal burdenAdjusted Life YearsLife yearsResource-poor tropical countriesHighest burden estimatesSum of YLLsBurden of leptospirosisSignificant health burdenLife-threatening diseaseYears of lifeDiverse epidemiological settingsGBD 2010Febrile illnessDisease burdenHealth burdenBurden estimatesLife LostMortality rateUrban slum dwellersDisease estimatesEpidemiological settingsTotal burdenLikely sequelaeLeptospirosisGlobal Morbidity and Mortality of Leptospirosis: A Systematic Review
Costa F, Hagan JE, Calcagno J, Kane M, Torgerson P, Martinez-Silveira MS, Stein C, Abela-Ridder B, Ko AI. Global Morbidity and Mortality of Leptospirosis: A Systematic Review. PLOS Neglected Tropical Diseases 2015, 9: e0003898. PMID: 26379143, PMCID: PMC4574773, DOI: 10.1371/journal.pntd.0003898.Peer-Reviewed Original ResearchConceptsCase fatality ratioDisease morbidityFatality ratioSystematic reviewMortality of leptospirosisPulmonary hemorrhage syndromeBurden of leptospirosisLife-threatening diseaseDiverse epidemiological settingsResource-poor countriesNumber of deathsHigh morbidityGlobal morbidityGBD regionsGlobal burdenMorbidityZoonotic causesHaemorrhagic feverMortality studyUrban slum dwellersImportant causeDisease statusEpidemiological settingsDisease incidenceWHO regionsPatterns in Leptospira Shedding in Norway Rats (Rattus norvegicus) from Brazilian Slum Communities at High Risk of Disease Transmission
Costa F, Wunder EA, De Oliveira D, Bisht V, Rodrigues G, Reis MG, Ko AI, Begon M, Childs JE. Patterns in Leptospira Shedding in Norway Rats (Rattus norvegicus) from Brazilian Slum Communities at High Risk of Disease Transmission. PLOS Neglected Tropical Diseases 2015, 9: e0003819. PMID: 26047009, PMCID: PMC4457861, DOI: 10.1371/journal.pntd.0003819.Peer-Reviewed Original ResearchConceptsLeptospiral loadHuman infectionsNorway ratsEssential epidemiological informationAge of ratsSpirochetal loadPositive kidneysLeptospiral carriageMAT titersHigh riskLeptospiral infectionEpidemiological informationSignificant positive correlationUrine samplesRatsInfectionMultivariate modelingUrineDisease transmissionKidneyRiskGenome equivalentsSlum communitiesRat populationsLeptospires
2014
Influence of Household Rat Infestation on Leptospira Transmission in the Urban Slum Environment
Costa F, Ribeiro GS, Felzemburgh RD, Santos N, Reis RB, Santos AC, Fraga DB, Araujo WN, Santana C, Childs JE, Reis MG, Ko AI. Influence of Household Rat Infestation on Leptospira Transmission in the Urban Slum Environment. PLOS Neglected Tropical Diseases 2014, 8: e3338. PMID: 25474580, PMCID: PMC4256176, DOI: 10.1371/journal.pntd.0003338.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrazilCase-Control StudiesHumansLeptospirosisLogistic ModelsPoverty AreasRatsRisk FactorsROC CurveConceptsLeptospira infectionRisk factorsPrediction scoreIndependent risk factorCommunity-based screeningRisk stratification strategiesCase-control studyCharacteristic curve analysisHigh infection riskUrban slum residentsHigh-level transmissionRat infestationAnnual serosurveysSerologic evidenceCase householdsStratification strategiesInfectionInfection riskLeptospirosis transmissionLeptospira transmissionCurve analysisControl householdsNorway ratsSlum settingsRegression modeling
2013
Infections by Leptospira interrogans, Seoul Virus, and Bartonella spp. Among Norway Rats (Rattus norvegicus) from the Urban Slum Environment in Brazil
Costa F, Porter FH, Rodrigues G, Farias H, de Faria MT, Wunder EA, Osikowicz LM, Kosoy MY, Reis MG, Ko AI, Childs JE. Infections by Leptospira interrogans, Seoul Virus, and Bartonella spp. Among Norway Rats (Rattus norvegicus) from the Urban Slum Environment in Brazil. Vector-Borne And Zoonotic Diseases 2013, 14: 33-40. PMID: 24359425, PMCID: PMC3880909, DOI: 10.1089/vbz.2013.1378.Peer-Reviewed Original ResearchConceptsSeoul virusEnzyme-linked immunosorbent assayLeptospiral carriageBartonella sppLeptospira sppZoonotic pathogensLeptospira interrogansNorway ratsReservoir hostsSignificant morbidityHigh prevalenceCommon pathogensRatsWestern blottingImmunofluorescence stainingImmunosorbent assayPrevalenceInfectionPrevalence informationTransmission dynamicsSpecies of BartonellaMultiple pathogensNorway rat populationsUrban slum environmentsCarriage
2012
Knowledge, Attitudes, and Practices Related to Leptospirosis among Urban Slum Residents in Brazil
de Araújo W, Finkmoore B, Ribeiro GS, Reis RB, Felzemburgh RD, Hagan JE, Reis MG, Ko AI, Costa F. Knowledge, Attitudes, and Practices Related to Leptospirosis among Urban Slum Residents in Brazil. American Journal Of Tropical Medicine And Hygiene 2012, 88: 359-363. PMID: 23269657, PMCID: PMC3583330, DOI: 10.4269/ajtmh.2012.12-0245.Peer-Reviewed Original ResearchConceptsUrban slum communitySlum communitiesUrban slum residentsCross-sectional studyRisk of leptospirosisSlum residentsHousehold levelStructural interventionsUrban slumsIllegal poisonLeptospirosisResidentsDisease transmissionCommunityRisk activitiesTwo-thirdsAttitudesInterventionPracticeProtective clothingRat infestationSlumsRespondentsBrazilSalvador