Q fever in Northern Ireland.
D000003:Abattoirs; D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D001717:Birds; D002417:Cattle; D002648:Child; D002675:Child, Preschool; D003168:Complement Fixation Tests; D004197:Disease Reservoirs; D004285:Dogs; D005260:Female; D006168:Guinea Pigs; D006801:Humans; D007303:Insect Vectors; D008297:Male; D008875:Middle Aged; D008892:Milk / Q000382:microbiology; D009660:Northern Ireland; D009784:Occupational Diseases / Q000453:epidemiology; D011022:Pneumonia, Rickettsial / Q000175:diagnosis; D011446:Prospective Studies; D011778:Q Fever / Q000453:epidemiology* / Q000276:immunology / Q000662:veterinary; D012189:Retrospective Studies; D012423:Rural Health; D012756:Sheep; D014730:Veterinary Medicine