Massachusetts started administering the coronavirus vaccine to people 75 and older Monday, including at Fenway Park and Gillette Stadium. But plenty of frustrated residents can't get an appointment. Jodi Scarbrough tried unsuccessfully for days to sign her in-laws up for the shots before finally securing a slot just before she joined Jim Braude, along with state Sen. Julian Cyr, D-Cape and Islands, who has expressed frustration at the state’s rollout.