Florida federally-supported vaccine sites to resume Johnson & Johnson shots Sunday By FOX 35 News Staff Published FEMA site in Orlando restarting Johnson & Johnson shot on Sunday Federally-supported sites in Florida will begin administering the Johnson & Johnson vaccine on Sunday after the CDC and FDA re-approved the single-dose shot for use. ORLANDO, Fla. - Federally-supported COVID-19 vaccination sites in Florida will resume administering the Johnson & Johnson vaccine on Sunday, starting at 7 a.m. The decision comes after the ruling from the Centers for Disease Control and Prevention to resume using the single-dose vaccine on Friday, saying the benefits outweigh the risks, despite more than a dozen women developing rare blood clots after receiving the vaccine.