Effectiveness of Canada’s tuberculosis surveillance strategy in identifying immigrants at risk of developing and transmitting tuberculosis: a population-based retrospective cohort study
Key findings People who were born abroad and referred for in-country surveillance after migration were more likely to be diagnosed with pulmonary tuberculosis. That were all non-referrals and non-referrals from high risk countries. Referrals had a roughly 80% decreased risk of transmitting TB and did not result in any...