A walk-in COVID-19 Mass Vaccination Clinic will be conducted from 9:00 to 11:00 a.m. or until vaccine runs out on Saturday, March 27th at Henderson County Health Department at 208 West Elm Street in Gladstone, Illinois for Henderson County residents. The Moderna vaccine will be used. Persons will need to return for a second dose in 28 days. No pre-registration is needed. Vaccinations will be administered on a first-come basis. Residents will need to bring photo. Identification and a Medicare, Medicaid, or insurance card for identification. There is no cost for the vaccination.