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There are several tests that can assist in the diagnosis of TB infection, disease and drug resistance. Among them are:

  • Chest radiography

  • Smear microscopy

  • Xpert MTB/RIF

  • Culture

  • Conventional Drug susceptibility test (DST)

  • Molecular DST

  • Tuberculin skin test

  • Interferon gamma releasing assays (IGRAs)

  • Serologic and other diagnostic tests for active TB
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