Laboratory-acquired Q fever. A report of fifty cases.
D000328:Adult; D001772:Blood Cell Count; D003168:Complement Fixation Tests; D006801:Humans; D007757:Laboratory Infection / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology*; D011778:Q Fever / Q000453:epidemiology*; D014611:Vaccination