The new shots will more closely target recent virus strains.
U.S. regulators approved updated COVID-19 vaccines on Thursday, shots designed to more closely target recent virus strains—and hopefully whatever variants cause trouble this winter, too.
The new shots will more closely target recent virus strains.
U.S. regulators approved updated COVID-19 vaccines on Thursday, shots designed to more closely target recent virus strains—and hopefully whatever variants cause trouble this winter, too.