title: Chronicity and recurrence of psittacosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008350:Manitoba; D008875:Middle Aged; D009956:Psittacosis / Q000175:diagnosis / Q000453:epidemiology*; D012008:Recurrence; D012698:Serologic Tests