FDA has authorized bivalent COVID-19 boosters from Moderna (Nasdaq:MRNA) and Pfizer/BioNTech (NYSE:PFE/Nasdaq:BNTX). The FDA has authorized the updated Moderna vaccine as a single booster dose in individuals at least 18 years old. In addition, the agency authorized the Pfizer/BioNTech vaccine for those at least 12 years old. Individuals in those age groups who have waited…