2022
Biannual and Quarterly Comparison Analysis of Agglutinating Antibody Kinetics on a Subcohort of Individuals Exposed to Leptospira interrogans in Salvador, Brazil
Cruz J, Nery N, Sacramento G, Victoriano R, Montenegro A, Santana J, Costa F, Ko A, Reis M, Wunder E. Biannual and Quarterly Comparison Analysis of Agglutinating Antibody Kinetics on a Subcohort of Individuals Exposed to Leptospira interrogans in Salvador, Brazil. Frontiers In Medicine 2022, 9: 862378. PMID: 35492362, PMCID: PMC9048256, DOI: 10.3389/fmed.2022.862378.Peer-Reviewed Original ResearchMicroscopic agglutination testAntibody kineticsEndemic areasReinfection eventsSubcohort of individualsBurden of leptospirosisLife-threatening diseaseProspective cohortClinical manifestationsAsymptomatic infectionHumoral responseRisk factorsImmune responseLeptospirosis infectionAgglutination testPaucity of informationSerological surveyLeptospirosisSample collection timeInfectionLeptospira interrogansSubcohortFurther studiesHigh rateDisease
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 ResearchConceptsSeroprevalence of leptospirosisMicroscopic agglutination testRisk factorsCattle populationSeropositive cattleSerogroup SejroeSouth AfricaCattleCross-sectional studyLeptospira sppPublic health importancePredominant serogroupVaccine serogroupsAbattoirLivestockLeptospira infectionGauteng ProvinceCutoff titerBlood samplesLeptospirosisSejroeDemographic dataHealth importanceAgglutination testSeroprevalence
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
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 antigenLeptospirosisAntigen