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2630 pages added, reviewed or updated during the last month (last updated: 17/4/2021)


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case finding

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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

Last reviewed 01/2018

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