Furthermore, how long does TB vaccine last?
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.
Also Know, how does the TB vaccine work?
How well does the vaccine work? The BCG vaccine contains a weakened strain of TB bacteria, which builds up immunity and encourages the body to fight TB if infected with it, without causing the disease itself.
Is the TB vaccine for life?
TB vaccine BCG effective for twice as long as previously thought – study. The BCG, an old vaccine but the only one against tuberculosis, is more effective than was thought, offering protection for at least 20 years, a new study shows.
What are the side effects of the TB vaccine?
The most common side effects include fever, headache and swollen glands. More serious complications, such as abscesses or bone inflammation, are rare. Most children develop a sore at the injection site. Once healed, the sore may leave a small scar.