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  • Anyone identified with TB-related symptoms should receive a diagnostic test such as smear microscopy, Xpert MTB/RIF or culture.

  • A highly sensitive screening test (CXR) may be used to lower the number of people who ultimately need to submit samples for diagnostic testing.

  • Screening tests can be used when the diagnostic tests, such as Xpert MTB/RIF, are quite costly.

  • A screening test can help identify patients who may be symptomatic but still unlikely to have active disease.

    More information on screening and testing can be found in WHO’s Guidelines for Screening for Active Tuberculosis.

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