Dates, times for mass COVID-19 vaccine site at Cintas Center announced The Cintas Center vaccine site is among 15 total state-sponsored mass vaccine clinics throughout Ohio. (Source: WXIX) By Jared Goffinet | March 10, 2021 at 1:00 PM EST - Updated March 10 at 1:54 PM CINCINNATI (FOX19) - The dates and times for the mass COVID-19 vaccinations at the Cintas Center have been announced. First doses of the vaccine will be administered at the Cintas Center from 8:30 a.m. to 4:30 p.m., March 18 through March 20. Second doses at the Cintas Center will be given April 8-10 from 8:30 a.m. till 4:30 p.m. The pop-up mass vaccination clinic will offer 10,000 first doses and 10,000 second doses of the Pfizer vaccine.