Those found to have active TB must be treated prior to arrival to ensure that they are no longer infectious. Most foreign-born groups undergo a mandatory medical examination prior to arrival in Canada, which includes chest radiography to detect active TB.Other groups that may be considered for targeted LTBI screening are discussed in other chapters and include TB contacts, people with HIV infection, Canadian-born Aboriginal Peoples, children, and employees and users of health care and correctional facilities.Groups discussed in this chapter that may warrant targeted screening are the foreign-born, people with non-HIV immune suppression and other medical or behavioural risk factors for TB, and long-term visitors to countries with higher TB incidence.The selection of people for targeted LTBI screening and treatment is based on their risk of prior TB exposure and their risk of reactivation, balanced against the likelihood of safe completion of treatment, including the risk of hepatotoxicity, which increases with age.Screening for and treatment of latent tuberculosis infection (LTBI) should only be undertaken if the local TB control program already effectively manages active TB cases and their contacts.7.1 Medical Risk Factors that Increase TB Reactivation.Screening of People with Medical or Behavioral Risks for TB Infection and Disease.6.4 Effectiveness of TB Screening Programs for Immigrants.6.3 Immigration TB Screening Requirements for the Foreign-born.6.2 Epidemiology and Predictors of TB Among the Foreign-born in Canada.Screening Immigrants for Tuberculosis Infection and Disease.Screening - Definitions, Tools and Goals.Kevin Schwartzman, MD, MPH Table of Contents Bacille Calmette-Guérin (BCG) Vaccination in Canada Prevention and Control of Tuberculosis Transmission in Health Care and Other Settings Tuberculosis Prevention and Care in First Nations, Inuit and Métis Peoples Tuberculosis Surveillance and Screening in Selected High-risk Populations Contact Follow-up and Outbreak Management in Tuberculosis Control
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Tuberculosis and Human Immunodeficiency Virus
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Treatment of Latent Tuberculosis Infection Diagnosis of Latent Tuberculosis Infection Diagnosis of Active Tuberculosis and Drug Resistance Pathogenesis and Transmission of Tuberculosis Canadian Tuberculosis Standards 7th Edition