Orientia tsutsugamushiScrub TyphusTrombiculidaeRickettsiaceaeTyphus, Endemic Flea-BorneRickettsia typhiRodentiaThailandTosylphenylalanyl Chloromethyl KetoneRodent DiseasesAntibodies, BacterialLaosRickettsieaeAntigens, BacterialRickettsiaRickettsia InfectionsGenomeFluorescent Antibody Technique, IndirectDNA, BacterialDoxycyclinePhylogenyGenome, BacterialPolymerase Chain ReactionSequence Analysis, DNAGenome, ViralImmunoglobulin MSensitivity and SpecificityBacterial Proteins