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A member asked:
Hoping you can tell me, is tb skin test the same as a tb immunization?
A doctor has provided 1 answer
No: Tb skin test is a diagnostic test that helps determine if someone has ever been exposed to tb. It offers no protection against future infection. Tb immunization is being practiced in countries with a high prevalence of TB infection by using the bcg vaccine that is usually given at birth to all newborns in those countries. It has a variable efficacy in protecting against TB that ranges from 0-80%.
Answered 6/10/2014
5.1k views
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