Tuberculosis is really a danger for developing and undeveloped countries,the way it is increasing and getting day by day resistant to available therapy scientists are focusing more on the way to tackle it by immunization or prevention.Two new vaccines have shown promise in preventing tuberculosis, the world's leading infectious disease killer, results of new clinical trials show. The findings showed that re-vaccination with the Bacille Calmette-Guerin (BCG) vaccine and an experimental vaccine candidate named as H4:IC31, were effective in preventing sustained infections in high-risk adolescents.
Introduced in 1921, BCG is the only licensed tuberculosis vaccine available globally, while H4:IC31 is an investigative subunit vaccine candidate being developed. "We have demonstrated that (this) vaccination has the potential to reduce the rate of sustained tuberculosis infection in a…