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The preferred regimen for children 2-11 years old is 9 months of daily INH.
Another effective treatment option for people with latent TB infection is the 12-dose regimen.
This vaccine is not widely used in the United States, but it is often given to infants and small children in other countries where TB is common.
The health care worker will measure this swelling and tell you if your reaction to the test is positive or negative.If your reaction to the second test is negative, you probably do not have TB infection.TB blood tests use a blood sample to find out if you are infected with TB bacteria.A person with TB disease has a large amount of TB bacteria in the body. Sometimes people are given treatment for latent TB infection even if their TB skin test reaction or TB blood test result is negative.This is often done with infants, children, and people infected with HIV who have recently spent time with someone with TB disease.
However, in some people, BCG may cause a positive skin test when they are not infected with TB bacteria.