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Case finding

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

The control of tuberculosis requires the identification and treatment of infected individuals.

Case finding efforts may take two main approaches:

  • contact tracing:
    • 10% of TB cases are identified in this way
    • contacts undergo tuberculin testing and a chest X-ray
    • cases of TB are treated
    • follow-up appointments are required for some contacts who do not appear to have TB

  • mass chest radiography:
    • whole population screening in industrialised countries is not appropriate
    • high risk groups may benefit from radiographic screening:
      • homeless
      • refugees
      • elderly men with chronic cough
      • immigrants from the third world in first 5 years

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