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Step 1. TB screening
The first step is to screen for TB, as outlined in Step 1 for tuberculin skin test (TST) or Mycobacterium tuberculosis antigen-based skin test (TBST) in Annex 1.
Step 2. Explain the administration of QFT-Plus
This annex provides step-by-step procedures for administering and reading three interferongamma release assays (IGRAs) for tuberculosis (TB): QFT-Plus, WANTAI TB-IGRA and T-SPOT.TB.
Step 1. Seeing the patient
Patients should be seen as quickly as possible after they arrive for the reading of their TST or TBST. Reading of the test takes less than 3 minutes on average (7). If a person must wait a long time simply for the result to be read, this may discourage other contacts in the same household from coming forward for testing or reading, and may discourage the same person from having a re-test, if needed.
Step 2. Re-check symptoms
Step 1. TB Screening
This annex provides step-by-step procedures for administering and reading two types of skin test for tuberculosis (TB) infection: the tuberculin skin test (TST) and Mycobacterium tuberculosis antigen-based skin tests (TBSTs). The photographs used in this annex were kindly provided by Dr Richard Menzies and colleagues.
Step 10.1 – Monitor implementation of the diagnostic test
Step 9.1 – Review and revise request for examination and reporting forms
Step 8.1 – Implement a comprehensive quality assessment programme
Step 7.1 – Develop the use of digital data and diagnostics connectivity
TST and TBST results have the advantage of being provided by the clinical staff themselves. Nevertheless, the results should be adequately registered.
