If induration from the Mantoux tuberculin test is less than 10 mm, it is considered a negative reaction. However, all of
The following people with an induration of 5 mm or more are considered to have a positive reaction, except

Question

Quizplus · Accepted Answer

For individuals such as infants, children, adults exposed to active tuberculosis, and immunosuppressed patients, an induration of 5 mm or more is considered a positive reaction due to their higher risk of developing tuberculosis if infected. Migrant workers, without additional risk factors, typically require an induration of 10 mm or more to be considered positive.

If Induration from the Mantoux Tuberculin Test Is Less Than