Seniors, healthcare workers flock to new vaccination locations in South Florida Updated: Tags: MIAMI – Multiple new COVID-19 vaccination sites are now open in South Florida, including one near the Overtown Youth Center. The location is in a parking lot at 1551 NW First Ave. It is a walk-up site for seniors 65 and older and frontline healthcare workers. It is open seven days a week and appointments are not required at this time. Gov. Ron DeSantis announced the opening of the pop-up location last week, as well as several others, and said at least 200 vaccines will be administered on a daily basis at each site.