Outbreak of ornithosis.
D000818:Animals; D001717:Birds; D004739:England; D005260:Female; D006801:Humans; D008171:Lung Diseases / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D009956:Psittacosis / Q000175:diagnosis* / Q000453:epidemiology* / Q000235:genetics; D013902:Radiography, Thoracic; D012698:Serologic Tests