DOH: Duval Co. residents with weekend vaccination appointment must reschedule According to the DOH, people had vaccine appointments scheduled for Saturday. However, the county is not offering vaccine appointments on weekends. Author: Matthew Copeland (WTLV) Updated: 3:20 PM EST January 9, 2021 DUVAL COUNTY, Fla. — The Florida Department of Health - Duval County is dealing with yet another issue with the vaccine rollout. According to the DOH, people had vaccine appointments scheduled at the Prime Osborn Center for Saturday. However, the county is not offering vaccine appointments on the weekends. The county did reach out to people who had their appointments scheduled for the weekend and rescheduled them. The DOH said fewer than 50 people were affected by the issue