Can you get a TB skin test after flu shot?

You may receive the test for tuberculosis (TB) within one day of receiving live vaccines. However, if the TB test is not done within one day, it should be deferred until at least 4-6 weeks after the live vaccine. Your immune system may not react to the TB test if it is done sooner.

Can you get a TB test after a vaccine?

According to the Vaccine Recommendations and Guidelines of the Advisory Committee on Immunization Practices (ACIP), inactive vaccines do not interfere with TB test results.

What vaccines affect TB test?

Many people born outside of the United States have been given a vaccine called BCG. People who were previously vaccinated with BCG may receive a TB skin test to test for TB infection. Vaccination with BCG may cause a false positive reaction to a TB skin test.

Is the TB skin test a vaccine?

The TST is not a vaccine.

How long is the TB shot good for?

A systematic review conducted in 2012 found that BCG was effective against TB for 10 to 15 years. The investigators concluded the vaccine was 60% (95% CI, 37-74) effective for less than 5 years, 56% (95% CI, 17-76) effective between 5 and less than 10 years, and 46% (95% CI, 18-64) effective for up to 15 years.

Why doesn’t the US vaccinate for TB?

However, BCG is not generally recommended for use in the United States because of the low risk of infection with Mycobacterium tuberculosis, the variable effectiveness of the vaccine against adult pulmonary TB, and the vaccine’s potential interference with tuberculin skin test reactivity.

Can you get a TB blood test after Covid vaccine?

“COVID-19 vaccination should not be delayed because of testing for TB infection. Testing for TB infection with one of the immune-based methods, either the tuberculin skin test (TST) or an interferon release assay (IGRA), can be done before, after, or during the same encounter as COVID-19 vaccination.