Montoux test is
Correct Answer: Boosting is maximum after 4 weeks of initial test
Description: Mantoux test is screening test for latent TB infection.
It has low sensitivity and specificity.
False positive reaction - occur with BCG vaccination and False negative reactions - occur in immunocompromised individual.
Increase in induration (Boosting) is seen between 1 - 5 weeks after intial test.
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Medicine
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