A member asked:

Is it ok to give tuberculin test on a 5 month old? will it be accurate, or can give false positive result because of bcg?

A doctor has provided 1 answer
Dr. Joseph Bouvier answered

Specializes in Pediatrics

See below: Individuals who have received the bcg, usually have a tuberculin reaction of 3-19 mm in size at 2-3 months following vaccination. This diminishes with time, but it should not influence decision making regarding the positive test.

Answered 7/18/2013

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