FDA advisors say the U.S. needs updated COVID-19 boosters By: MarketWatch June 28, 2022 at 17:01 PM EDT A new COVID-19 booster strategy should focus on developing new shots that better protect against omicron and its subvariants. Read More >> Related Stocks: BioNTech SE - American Depositary Shares Johnson & Johnson Moderna, Inc. - Common Stock Novavax, Inc. - Common Stock Pfizer