LeptospirosisLeptospiraLeptospira interrogansFeverWeil DiseaseAgglutination TestsQ FeverLeptospira interrogans serovar icterohaemorrhagiaeBarbadosAntibodies, BacterialYellow FeverTyphoid FeverFever of Unknown OriginNew CaledoniaLeptospira interrogans serovar canicolaFloodsZoonosesSri LankaJaundiceDisease OutbreaksThailandDisease ReservoirsSeroepidemiologic StudiesIndian Ocean IslandsRheumatic FeverSerologic TestsImmunoglobulin MAmerican SamoaDoxycyclineRift Valley FeverNicaraguaRodent DiseasesDengueHemorrhagic Fevers, ViralLassa FeverHawaiiEnzyme-Linked Immunosorbent AssayRodentiaMartiniqueAzoresMesocricetusGuadeloupeIndiaScrub TyphusBrazil