The COMET is offering free COVID-19 vaccines starting May 3 Apr 29, 2021 8:31 AM EDT (Courtesy: COMET) COLUMBIA, S.C. (WOLO) – The Central Midlands Regional Transit Authority, partnering with Health Force, LLC, will offer free COVID-19 vaccinations starting May 3. You can get a shot at the COMET Central transit hub, which is located on the corner of Laurel and Sumter Streets. Officials say you can get a vaccine on the following days: Mondays, Tuesdays & Wednesdays – 8 a.m. – Noon & 2 p.m. – 6 p.m. Sundays – 10 a.m. – 2 p.m. You have a choice to get either the Johnson & Johnson vaccine or the Moderna vaccine. The COMET says Johnson & Johnson vaccine only requires one shot, while the Moderna vaccine requires a follow-up shot within 28 days.