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# Tuberculosis (TB) - Whole blood and components

### Scenarios

Affected individual

Obligatory

  Must not donate if:

  1. Infected.
  2. Less than 24 months from confirmation of cure.
  3. Under follow-up.
Discretionary
  1. Donors with a diagnosis of latent TB can donate, as long as they are not currently undergoing investigation or treatment.
  2. Donors on antibiotic treatment for latent TB only can donate 7 days after their last dose.

Contact with an affected individual

Obligatory

  Must not donate until:

  Screened and cleared.

Discretionary

  If the donor has been informed that they do not need to be screened, accept.

Additional information

  Close contacts may have undiagnosed disease.

## Supporting information

See if relevant
  - Tuberculin PPD test

  For BCG immunisation:

  - Immunisation, live

Reason for change:
  Advice and background information on latent TB has been added. Links and 'Additional Information' have been updated.
Version details:

  WB-DSG Edition 203 Release 55 (21 January 2021)

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