Acute non-specific polyarthritis.
D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000368:Aged; D001168:Arthritis / Q000188:drug therapy / Q000209:etiology*; D001799:Blood Sedimentation; D002648:Child; D006801:Humans; D007596:Joints; D008297:Male; D008875:Middle Aged; D015030:Zimbabwe