The number of these deaths in the U.S. by March 29 was 2,467, but it would have been 468 with mandatory vaccination, say the scientists.The researchers, all at the University of Michigan, in Ann Arbor, have published their findings in the journal Science Advances.BCG vaccination is usually given at birth or during childhood to protect against tuberculosis (TB).
But there is also evidence that it protects against other respiratory infections and lung cancer. In addition, it is an effective treatment for some forms of bladder cancer.A study in 2018 found that the vaccine appeared to “reprogram” immune cells to produce more of a particular immune signaling molecule.