FILE — In this April 27, 2021 file photo, opponents of a bill to repeal Connecticut's religious exemption for required school vaccinations march down Capitol Avenue before the State Senate voted on legislation, in Hartford, Conn. Religious objections, once used only sparingly around the country to get exempted from various required vaccines, are becoming a much more widely used loophole against the COVID-19 shot. (Mark Mirko/Hartford Courant via AP, File)