FDA's advisers back plan to simplify COVID vaccinations

The U.S. is poised to make COVID-19 vaccinations more like a yearly flu shot, a major shift in strategy despite a long list of questions about how to best protect against a still rapidly mutating virus.The Food and Drug Administration asked its scientific advisers Thursday to help lay the groundwork for switching to once-a-year boosters for most Americans -- and how and when to periodically update the shots’ recipe.“This is a consequential meeting to determine if we’ve reached