Leptospirosis as a cause of pyrexia of unknown origin in Thailand.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D005334:Fever / Q000209:etiology*; D006386:Hemagglutination Tests; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007922:Leptospirosis / Q000150:complications*; D008297:Male; D008875:Middle Aged; D012621:Seasons; D013785:Thailand