Investigators said the 2-year-old found the gun in the backpack on Aug. 11 and fired a single shot that hit his mother in the head. https://t.co/8pKQU1vE74
@Reuters The effectiveness of the Pfizer Inc /BioNTech SE vaccine in preventing infection by the coronavirus dropped to 47% from 88% six months after the second dose. Can they compare it to other vaccines?