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Occupational risk of Mycobacterium tuberculosis infection in hospital workers.

Authors
Boudreau-AY; Baron-SL; Steenland-NK; Gilder-TJ; Decker-JA; Galson-SK; Seitz-T
Source
Am J Ind Med 1997 Nov; 32(5):528-534
NIOSHTIC No.
00239414
Abstract
The risk of infection associated with occupational exposure to Mycobacterium-tuberculosis (TB) was assessed retrospectively over a 4 year period in a cohort of health care workers employed at a large metropolitan hospital in which a nosocomial outbreak of multidrug resistant TB had occurred. The incidence of tuberculin skin test conversion was compared in employees who had worked on wards with patients with confirmed TB (exposed workers) to the incidence among employees who had worked on wards without such patients (unexposed workers). The incidence of tuberculin skin test conversion was significantly higher among exposed than unexposed workers; a relative risk factor of 13.4 was calculated after controlling for age, race, gender, and salary. The increased risk of conversion among exposed employees was seen only from 1989 to 1991 and not for 1992. The risk of conversion among exposed ward clerks and nurses was similar. The authors conclude that workers who worked in areas containing patients with active TB infection have a higher risk of tuberculin skin test conversion than workers who did not work in such areas. Reasons for the decline in risk over time were discussed.
Keywords
NIOSH-Author; Occupational-exposure; Infectious-diseases; Humans; Bacterial-infections; Health-care-personnel; Disease-transmission; Epidemiology
Contact
Dr. Boudreau, NIOSH, Denver Federal Center, PO Box 25226, Denver, CO 80225-0226
CODEN
AJIMD8
Publication Date
19971101
Document Type
Journal Article
Email Address
ayb1@cdc.gov
Fiscal Year
1998
NTIS Accession No.
NTIS Price
Issue of Publication
5
ISSN
0271-3586
NIOSH Division
DSHEFS
Source Name
American Journal of Industrial Medicine
State
OH; CO; GA; DC
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