2021
Optimizing the microscopic agglutination test (MAT) panel for the diagnosis of Leptospirosis in a low resource, hyper-endemic setting with varied microgeographic variation in reactivity
Jayasundara D, Gamage C, Senavirathna I, Warnasekara J, Matthias MA, Vinetz J, Agampodi S. Optimizing the microscopic agglutination test (MAT) panel for the diagnosis of Leptospirosis in a low resource, hyper-endemic setting with varied microgeographic variation in reactivity. PLOS Neglected Tropical Diseases 2021, 15: e0009565. PMID: 34197457, PMCID: PMC8279374, DOI: 10.1371/journal.pntd.0009565.Peer-Reviewed Original Research12 Novel clonal groups of Leptospira infecting humans in multiple contrasting epidemiological contexts in Sri Lanka
Jayasundara D, Senavirathna I, Warnasekara J, Gamage C, Siribaddana S, Kularatne SAM, Matthias M, Mariet JF, Picardeau M, Agampodi S, Vinetz J. 12 Novel clonal groups of Leptospira infecting humans in multiple contrasting epidemiological contexts in Sri Lanka. PLOS Neglected Tropical Diseases 2021, 15: e0009272. PMID: 33735202, PMCID: PMC8009393, DOI: 10.1371/journal.pntd.0009272.Peer-Reviewed Original ResearchConceptsClonal groupsAcute kidney injuryL. interrogansMajor clinical challengeGlobal disease threatsLeptospira speciesL. interrogans infectionKidney injuryLiver impairmentCardiovascular involvementL. borgpeterseniiClinical presentationProspective studyClinical severityClinical challengePathogenic Leptospira speciesAnnual epidemicsUbiquitous zoonotic diseaseNew serogroupEpidemiological contextZoonotic diseaseCulture isolationLeptospiral culturesL. weiliiLeptospira diversity
2016
Redefining Gold Standard Testing for Diagnosing Leptospirosis: Further Evidence from a Well-Characterized, Flood-Related Outbreak in Sri Lanka.
Agampodi SB, Dahanayaka NJ, Nöckler K, Mayer-Scholl A, Vinetz JM. Redefining Gold Standard Testing for Diagnosing Leptospirosis: Further Evidence from a Well-Characterized, Flood-Related Outbreak in Sri Lanka. American Journal Of Tropical Medicine And Hygiene 2016, 95: 531-536. PMID: 27402521, PMCID: PMC5014254, DOI: 10.4269/ajtmh.16-0033.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgglutination TestsCross-Sectional StudiesDisease OutbreaksFemaleFoodborne DiseasesHumansLeptospirosisMalePolymerase Chain ReactionSri LankaConceptsEnzyme-linked immunosorbent assayMicroscopic agglutination testIgG enzyme-linked immunosorbent assayQuantitative polymerase chain reactionImmunoglobulin G (IgG) ELISAHouse enzyme-linked immunosorbent assayDays of illnessAcute-phase seraCases of leptospirosisAvailable enzyme-linked immunosorbent assayGold standard testingMAT positive samplesDiagnostic test resultsAcute specimensAcute phasePatient populationPhase seraPolymerase chain reactionBlood samplesSerological sensitivityAgglutination testImmunosorbent assayLeptospirosisLeptospira kirschneriDominant serovarsClinical Features and Transmission Pattern of Hepatitis A: An Experience from a Hepatitis A Outbreak Caused by Two Cocirculating Genotypes in Sri Lanka.
Dahanayaka NJ, Kiyohara T, Agampodi SB, Samaraweera PK, Kulasooriya GK, Ranasinghe JC, Semage SN, Yoshizaki S, Wakita T, Ishii K. Clinical Features and Transmission Pattern of Hepatitis A: An Experience from a Hepatitis A Outbreak Caused by Two Cocirculating Genotypes in Sri Lanka. American Journal Of Tropical Medicine And Hygiene 2016, 95: 908-914. PMID: 27382079, PMCID: PMC5062799, DOI: 10.4269/ajtmh.16-0221.Peer-Reviewed Original ResearchConceptsHepatitis A virusMost patientsHepatitis AHAV immunoglobulin MIntermediate endemic areaAcute viral hepatitisUpper abdominal discomfortHepatitis A outbreaksHigh-risk groupStrains of HAVMilitary personnelAcute hepatitisHAV vaccinationPale stoolsAbdominal discomfortViral hepatitisClinical featuresHepatitis outbreakSubgenotype IAClinical informationInfected personsPatientsA virusHepatitisSerial outbreaks
2012
Utility and Limitations of Direct Multi-Locus Sequence Typing on qPCR-Positive Blood to Determine Infecting Leptospira Strain
Agampodi SB, Moreno AC, Vinetz JM, Matthias MA. Utility and Limitations of Direct Multi-Locus Sequence Typing on qPCR-Positive Blood to Determine Infecting Leptospira Strain. American Journal Of Tropical Medicine And Hygiene 2012, 88: 184-185. PMID: 23208890, PMCID: PMC3541733, DOI: 10.4269/ajtmh.2012.12-0526.Peer-Reviewed Original ResearchConceptsPolymerase chain reaction-positive samplesBacterial loadLeptospira strainsMLST profilesAcute illnessBlood samplesHuman leptospirosisComplete MLST profilesCulture isolationMulti-locus sequenceHuman bloodSequence typesBloodCentral Sri LankaInterpretable dataMolecular characterizationIllnessLeptospirosisST44