Genesee County replacing two COVID-19 vaccination mega sites with one Updated May 11, 2021; Posted May 11, 2021 UM-Flint nursing students Michaela Dimello, left, and Allison Gozdor work in tandem as they help give hundreds of first doses of the Moderna COVID-19 vaccine to Genesee County residents on Monday, March 29, 2021 at Bishop Airport in Flint. The Genesee County Health Department continue to facilitate the vaccination of local residents. (Jake May | MLive.com)Jake May Facebook Share GENESEE COUNTY, MI -- The county says it’s shutting down two COVID-19 vaccination mega sites and replacing them with a single large-scale site at the Diplomat Pharmacy building.