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How specifically do clinicians distinguish between BCG vaccination vs latenet TB when a patient presents with a positive ppd? (cxr or quantiferon?)

1 doctor weighed in
Dr. Martin Raff
Internal Medicine - Infectious Disease

In brief: BCG

If it has been 4 years or more since having been given bcg it is almost certainly latent tuberculosis responsible for PPD positivity.

In brief: BCG

If it has been 4 years or more since having been given bcg it is almost certainly latent tuberculosis responsible for PPD positivity.
Dr. Martin Raff
Dr. Martin Raff
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