Abstract
All 57 cases of active tuberculosis in women in nursing and related assisting occupations (henceforth called nurses) notified in British Columbia between 1969 and 1979 were reviewed. This represented a mean annual incidence of active tuberculosis of 2.6/10 000, similar to that in other women, adjusted for age and birthplace. The rate varied according to birthplace: among nurses born in Canada the rate was 2.0, almost twice that of other women born in Canada, and among those born in Asia it was 24.8, less than half that of other women born in Asia. The nurses born in Canada who had received BCG (bacille Calmette-Guérin) during their training were least likely to contract tuberculosis, the incidence rate being comparable to that among other women. Those whose results of tuberculin testing were negative but who were not vaccinated were twice as likely to contract tuberculosis, whereas those whose results were positive at the start of training were four times as likely to contract tuberculosis. The feasibility and implications of a tuberculosis screening and surveillance program are discussed.
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Selected References
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