Pfizer (NYSE:PFE) and BioNTech SE (NSDQ: BNTX) have received a positive opinion from the E.U.’s Committee for Medicinal Products for Human Use (CHMP) for the use of a Comirnaty booster dose in individuals at least 18 years of age at least six months after the second dose. The European Commission (EC) will likely make a formal decision on…