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Preventive TB Meds Beat Contact Tracing in High Risk Groups

Published in TB and Outbreaks Week, June 1st, 1998

Preemptive prophylaxis appears to be a better strategy in communities with high rates of tuberculosis than contact follow-up, according to a study of Canadian Aborigines.

In Canada, molecular epidemiology of Mycobacterium tuberculosis, using IS6110, began in 1993 with studies to confirm suspected clusters. Its subsequent use has detected laboratory contamination events, identified casual contacts, and confirmed nosocomial and autopsy transmission. The RFLP tool has confirmed inter-provincial spread of disease and has identified longitudinal extension of inner city epidemics.

In Western Canada, strong TB control programs have maintained rates...

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Source: TB and Outbreaks Week (1998-06-01)

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