Is there a vaccine for tuberculosis?
Mia Horton
Updated on April 26, 2026
The
BCG vaccine
BCG vaccination given to babies and young children provides consistent protection (up to 80%) against severe forms of childhood TB, such as TB meningitis. It can be less effective against TB affecting the lungs in adults. The protection from the BCG vaccine can last up to 15 years.
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Why is the TB vaccine not given 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?
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.When did they stop giving TB vaccine?
BCG was administered no later than the fourth birthday until 2005, and no later than six months from birth from 2005 to 2012; the schedule was changed in 2012 due to reports of osteitis side effects from vaccinations at 3–4 months. Some municipalities recommend an earlier immunization schedule.Can you vaccinate against tuberculosis?
The Bacille Calmette-Guérin (BCG) vaccine can help protect people from developing TB. However, in certain countries, such as the United States, health experts do not generally recommend using the vaccine. TB is a condition that typically affects the lungs but can damage other organs.Can the tuberculosis vaccine help your body fight the coronavirus?
Is tuberculosis still around?
Two billion people – one fourth of the world's population – are infected with the TB bacteria, with more than 10 million becoming ill with active TB disease each year. In 2019, 1.2 million children fell ill with TB globally and 465,000 people fell ill with drug-resistant TB. TB knows no borders.Does tuberculosis go away?
Tuberculosis (TB) is a bacterial infection that most commonly affects the lungs. It can be completely cured with the right treatment whch typically consists of medication in a pill form containing a mix of antibiotics.Why did the TB vaccine leave a scar?
The BCG vaccine contains live attenuated Mycobacterium bovis and following intradermal injection the BCG vaccine elicits a local immune response. This response most often results in an ulcer that heals over weeks and leaves a flat permanent scar at the injection site [2].Is there a TB vaccine for adults?
BCG for adultsBCG vaccination is rarely given to anyone over the age of 16 because there is little evidence it works very well in adults. But it's given to adults aged 16 to 35 who are at risk of TB through their work, such as some healthcare workers, veterinary staff and abattoir workers.