2022
The variable presence of Leptospira in the environment; an epidemiological explanation based on serial analysis of water samples
Warnasekara J, Srimantha S, Senavirathna I, Kappagoda C, Farika N, Nawinna A, Agampodi S. The variable presence of Leptospira in the environment; an epidemiological explanation based on serial analysis of water samples. PLOS ONE 2022, 17: e0263719. PMID: 35167605, PMCID: PMC8846531, DOI: 10.1371/journal.pone.0263719.Peer-Reviewed Original ResearchMeSH KeywordsDNA, BacterialLeptospiraPhylogenySoil MicrobiologySri LankaWater MicrobiologyWater WellsConceptsSoil sample analysisSame water sourceSoil samplesWater samplingDifferent climate zonesWet zoneWater sitesWater sourcesWater sample analysisAnimal urineDry zoneClimate zonesNatural environmentVariable abundanceWater samplesMore replicatesSoilOpen wellsSri LankaPresence of LeptospiraMain roadAbundanceAmplicon analysisWaterGreater distances
2021
12 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
2014
Regional Differences of Leptospirosis in Sri Lanka: Observations from a Flood-Associated Outbreak in 2011
Agampodi SB, Dahanayaka NJ, Bandaranayaka AK, Perera M, Priyankara S, Weerawansa P, Matthias MA, Vinetz JM. Regional Differences of Leptospirosis in Sri Lanka: Observations from a Flood-Associated Outbreak in 2011. PLOS Neglected Tropical Diseases 2014, 8: e2626. PMID: 24454971, PMCID: PMC3894175, DOI: 10.1371/journal.pntd.0002626.Peer-Reviewed Original ResearchConceptsOutbreak of leptospirosisClinical presentationAcute renal failureDifferent clinical presentationsCross-sectional studyMedian bacterial loadPublic health interventionsPublic health relevanceLeptospira interrogans serovar laiRenal failureSevere thrombocytopeniaInfectious disease epidemicsDifferent Leptospira speciesEtiological causesImportant causeHealth interventionsHealth relevanceLeptospirosisTropical diseasesBacterial loadLeptospira kirschneriLeptospirosis outbreaksSerovar laiLeptospira speciesL. kirschneri
2012
Utility of Quantitative Polymerase Chain Reaction in Leptospirosis Diagnosis: Association of Level of Leptospiremia and Clinical Manifestations in Sri Lanka
Agampodi SB, Matthias MA, Moreno AC, Vinetz JM. Utility of Quantitative Polymerase Chain Reaction in Leptospirosis Diagnosis: Association of Level of Leptospiremia and Clinical Manifestations in Sri Lanka. Clinical Infectious Diseases 2012, 54: 1249-1255. PMID: 22354922, PMCID: PMC3404689, DOI: 10.1093/cid/cis035.Peer-Reviewed Original ResearchConceptsQuantitative polymerase chain reactionClinical manifestationsPolymerase chain reactionBlood samplesChain reactionWhole bloodOnset of symptomsSensitivity of qPCRAssociation of levelsSerum/bloodMicroscopic agglutination test panelValid diagnostic testPatient blood samplesOptimal sample typeFailure patientsRenal failureWhole blood samplesPatient populationTimely diagnosisLeptospiral loadEndemic areasDay 2Day 15LeptospiremiaDiagnostic tests