/ The change in scheduling comes a week after chaos ensued in Tampa. Seniors showed up without appointments, some waiting for hours before they were turned away. Appointments for second doses will now be made on-site at four state-supported vaccination sites, including University Mall in Tampa. The state is changing the way it schedules second doses for people visiting one of its four coronavirus vaccination sites. It's meant to ease some of the confusion that's caused problems for seniors. Health workers will now schedule second doses on-site for seniors when they receive their first doses at University Mall in Tampa, Regency Mall in Jacksonville, and Hard Rock Stadium and Marlins Park in South Florida.