Which vaccine is known to interfere with the Tuberculin test?

Which vaccine is known to interfere with the Tuberculin test?

• A. Hepatitis B
• B. MMR
• C. DPT
• D. Polio

Answer: (B)

The MMR vaccine, which stands for measles, mumps, and rubella, is known to interfere with the Tuberculin skin test, also known as the Mantoux test. This test is used to evaluate whether a person has been exposed to the tuberculosis (TB) bacteria. The rationale behind this interference is primarily due to the immune response triggered by the live attenuated viruses in the MMR vaccine. Following vaccination, individuals can have a temporarily heightened immune response that may lead to a false-positive result on the Tuberculin test. This occurs because the test assesses delayed-type hypersensitivity, which can be influenced by the immune modulation caused by the live vaccine. In contrast, other vaccines listed, such as the Hepatitis B, DPT (Diphtheria, Pertussis, Tetanus), and Polio vaccines, do not have a significant impact on the Tuberculin test results. They are typically inactivated or subunit vaccines and do not cause a similar immune response that could alter the results of the TB test. Hence, the MMR vaccine is particularly noted for this interaction.

The MMR vaccine, which stands for measles, mumps, and rubella, is known to interfere with the Tuberculin skin test, also known as the Mantoux test. This test is used to evaluate whether a person has been exposed to the tuberculosis (TB) bacteria.

The rationale behind this interference is primarily due to the immune response triggered by the live attenuated viruses in the MMR vaccine. Following vaccination, individuals can have a temporarily heightened immune response that may lead to a false-positive result on the Tuberculin test. This occurs because the test assesses delayed-type hypersensitivity, which can be influenced by the immune modulation caused by the live vaccine.

In contrast, other vaccines listed, such as the Hepatitis B, DPT (Diphtheria, Pertussis, Tetanus), and Polio vaccines, do not have a significant impact on the Tuberculin test results. They are typically inactivated or subunit vaccines and do not cause a similar immune response that could alter the results of the TB test. Hence, the MMR vaccine is particularly noted for this interaction.