Pfizer First Doses Returning to FEMA Sites, Including Miami Dade College The decision came after the FDA and CDC ordered a pause on the Johnson & Johnson one dose shot earlier this week due to rare complications. The site at the school's North campus was scheduled to close in May, which was why they moved to J&J only last week. It is unknown if they plan to extend operations for those needing a second dose of Pfizer in the coming weeks. Broward Department of Health Vaccine Sites Not Requiring Appointments All Broward County Department of Health COVID-19 vaccine sites are no longer requiring appointments starting Saturday.