2022
Leptospira Infection in Rural Areas of Urabá Region, Colombia: A Prospective Study.
Quintero-Vélez J, Rodas J, Rojas C, Ko A, Wunder E. Leptospira Infection in Rural Areas of Urabá Region, Colombia: A Prospective Study. American Journal Of Tropical Medicine And Hygiene 2022, 107: 1267-1277. PMID: 36375452, PMCID: PMC9768283, DOI: 10.4269/ajtmh.21-1103.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, BacterialColombiaDogsLeptospiraLeptospirosisMaleProspective StudiesRatsSeroepidemiologic StudiesSwineConceptsOutdoor occupationsLeptospira infectionProspective studyRisk factorsMultivariable modelLeptospira seroprevalenceLogistic regression modelsEco-epidemiological aspectsMultinomial logistic regression modelsMultivariable analysisSerologic testingPrimary exposureMale genderMicroscopic agglutinationPresence of ratsOlder ageRural areasLeptospira serogroupsInfectionSeroincidenceLeptospira speciesSeroprevalenceSerogroupsRegression modelsDirt floorsRickettsial Infections Causing Acute Febrile Illness in Urban Slums, Brazil - Volume 28, Number 10—October 2022 - Emerging Infectious Diseases journal - CDC
Fournier JB, Blanton LS, Nery N, Wunder EA, Costa F, Reis MG, Ribeiro GS, Walker DH, Ko AI. Rickettsial Infections Causing Acute Febrile Illness in Urban Slums, Brazil - Volume 28, Number 10—October 2022 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2022, 28: 2132-2134. PMID: 36148970, PMCID: PMC9514363, DOI: 10.3201/eid2810.220497.Peer-Reviewed Original Research
2008
Impact of Environment and Social Gradient on Leptospira Infection in Urban Slums
Reis RB, Ribeiro GS, Felzemburgh RD, Santana FS, Mohr S, Melendez AX, Queiroz A, Santos AC, Ravines RR, Tassinari WS, Carvalho MS, Reis MG, Ko AI. Impact of Environment and Social Gradient on Leptospira Infection in Urban Slums. PLOS Neglected Tropical Diseases 2008, 2: e228. PMID: 18431445, PMCID: PMC2292260, DOI: 10.1371/journal.pntd.0000228.Peer-Reviewed Original ResearchConceptsLeptospira antibodiesLeptospira infectionRisk factorsIndependent risk factorSocioeconomic statusUrban slumsCommunity-based surveyPopulation-based informationHousehold environmental factorsPoisson regression modelsBlack raceOverall prevalencePrior infectionHealth outcomesHealth problemsUrban leptospirosisInfection riskInfectionSocial gradientUnequal health outcomesEffective preventionLeptospira transmissionTransmission determinantsAntibodiesSystem survey
2001
Evaluation of Recombinant Leptospira Antigen-Based Enzyme-Linked Immunosorbent Assays for the Serodiagnosis of Leptospirosis
Flannery B, Costa D, Carvalho F, Guerreiro H, Matsunaga J, Da Silva E, Ferreira A, Riley L, Reis M, Haake D, Ko A. Evaluation of Recombinant Leptospira Antigen-Based Enzyme-Linked Immunosorbent Assays for the Serodiagnosis of Leptospirosis. Journal Of Clinical Microbiology 2001, 39: 3303-3310. PMID: 11526167, PMCID: PMC88335, DOI: 10.1128/jcm.39.9.3303-3310.2001.Peer-Reviewed Original ResearchConceptsEnzyme-linked immunosorbent assayIgG enzyme-linked immunosorbent assaySerodiagnosis of leptospirosisHealthy individualsImmunosorbent assayTest-positive individualsCases of leptospirosisHigh-incidence regionsLyme disease patientsMicroscopic agglutination testConvalescent phaseHepatitis patientsAcute phaseDengue patientsDisease patientsPatient seraHealthy residentsLeptospira antigensCutoff valueDiagnostic utilityPatientsAgglutination testUseful antigenLeptospirosisAntigenLeptospiral Proteins Recognized during the Humoral Immune Response to Leptospirosis in Humans
Guerreiro H, Croda J, Flannery B, Mazel M, Matsunaga J, Reis M, Levett P, Ko A, Haake D. Leptospiral Proteins Recognized during the Humoral Immune Response to Leptospirosis in Humans. Infection And Immunity 2001, 69: 4958-4968. PMID: 11447174, PMCID: PMC98588, DOI: 10.1128/iai.69.8.4958-4968.2001.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, BacterialAntigens, BacterialBacterial ProteinsCell FractionationElectrophoresis, Gel, Two-DimensionalHumansLeptospiraLeptospirosisRabbitsConceptsHumoral immune responseImmune responseNatural infectionLeptospiral proteinsInfection-associated antigenConvalescent-phase seraPositive reactionConvalescent phaseHumoral responseHealthy individualsHuman leptospirosisControl individualsVaccine designImmunodominant antigensQuantitative immunoblot analysisTwo-dimensional immunoblotsProtein antigensPathogenic leptospiral strainsGenus LeptospiraInfectionAntigenLeptospirosisSerumImmunodominant proteinsPatients