A vaccination against tuberculosis (TB) could be made more effective by injecting it directly into the bloodstream at a higher dose, new research suggests.
TB, caused by Mycobacterium tuberculosis, is one of the leading causes of infection globally, killing approximately 1.7 million people and infecting around 10 million annually. So far, the only licensed vaccine to fight this disease is the bacille Calmette-Guérin (BCG) vaccine, containing a weakened form of TB found in cattle. This vaccine is normally given to infants by injecting under the skin, or intradermally, to protect them against various types of TB. However, it isn’t very effective
If our reporting has informed or inspired you, please consider making a donation. Every contribution, no matter the size, empowers us to continue delivering accurate, engaging, and trustworthy science and medical news. Independent journalism requires time, effort, and resources—your support ensures we can keep uncovering the stories that matter most to you.
Join us in making knowledge accessible and impactful. Thank you for standing with us!