Advertisement Tri-C Metro to host walk-in COVID-19 clinic May 4 Syringes are prepped with the Moderna COVID-19 vaccine before being administered at Richmond Raceway in Richmond, Va., February 2, 2021.(Parker Michels-Boyce/ For the Virginia Mercury) Share on Facebook Share on LinkedIn CLEVELAND, Ohio (WOIO) - Cuyahoga Community College and Care Alliance Health Center will host a walk-in COVID-19 vaccine clinic for those 18 and old on Tuesday, May 4. The clinic will be held at Tri-C’s Metro Campus at 2900 Community College Avenue in downtown Cleveland. The Moderna vaccine will be given in the Lot 4 underground garage off Community College Avenue. From 10 a.m. to 2 p.m., appointments are required. Walk-ins are welcome from 2 p.m. to 3:45 p.m. Vaccinations will stop at 3:45 p.m. Walk-ins will be given the vaccine on a first-come, first-served basis.