When did the US stop vaccinating for TB?
Routine smallpox vaccination stopped in 1972 in the U.S.
All countries had quit routine vaccination by 1986.
So, that leaves the BCG vaccine.
BCG stands for Bacillus Calmette-Guérin.
The BCG vaccine is used to protect people from human tuberculosis..
Why is TB vaccine not used in the US?
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.
How long does TB vaccine last?
The BCG vaccination is thought to protect up to 80% of people against the most severe forms of TB for at least 15 years, perhaps even up to 60 years.
How often do you need TB vaccine?
How long does the vaccine protection last? Studies show that the BCG vaccine protects against serious TB disease for up to 15 years after vaccination.
Is TB still in the US?
The United States continues to have one of the lowest TB case rates in the world, and the 2019 case count represents the lowest number of TB cases on record. Still, too many people suffer from TB disease and our progress is too slow to eliminate TB in this century.
Does TB stay in your system forever?
What is latent TB infection? Many people who have latent TB infection never develop TB disease . In these people, the TB bacteria remain inactive for a lifetime without causing disease . But in other people, especially people who have weak immune systems, the bacteria become active, multiply, and cause TB disease .