Question
A 12-year-old child, vaccinated with BCG, now has a negative result in the cough test and urine tuberculosis antibody test. What does this mean?
Answer
I’m glad to clarify this for you. Based on the situation you described, this is normal. There is no need to administer the BCG vaccine again. A negative result for tuberculosis antibodies means that the test is normal; there is no infection with tuberculosis. If there were an infection with tuberculosis bacteria, the result would be positive.