A tuberculosis vaccine is drawing global attention as it may be effective in preventing infection with the new coronavirus, but a lack of evidence so far has prompted medical communities and the World Health Organization to advise against its administration.Two clinical trials are being conducted to gauge the effectiveness of the Bacille Calmette-Guerin vaccine, which is usually administered to infants, the WHO said, adding it will evaluate the evidence when available.In a scientific brief released Sunday, the WHO expressed concern that "diversion of local supplies may result in neonates no…READ FULL ARTICLE