The Boston Globe on Instagram: "Massachusetts is requiring insurers to heed state guidance on which vaccines they will cover, the latest in a series of moves from Governor Maura Healey that has in a matter of days virtually severed the state’s immunization guidelines from federal policies.⁠ ⁠ Officials also announced that pharmacies would begin taking appointments for COVID shots Friday, after distribution delays caused by confusion over which shots drug stores were authorized to administer.⁠ ⁠