State Health Officer Dr. Thomas Dobbs, center, stresses the need for Mississippi's residents to receive the COVID vaccination when offered, as Mississippi State Medical Association executive director Dr. Claude Brunson, left, and Dr. Timothy Quinn, owner of Quinn Health Care, listen, Wednesday, Dec. 16, 2020, in Ridgeland, Miss. Physicians and officers with the Mississippi State Medical Association received the first round of COVID vaccinations, in a effort to encourage residents to get vaccinated. (AP Photo/Rogelio V. Solis)

State health officer Dr. Thomas Dobbs explains how a person might react to a COVID-19 vaccination, right, during Gov. Tate Reeves' covid news briefing, Wednesday, Dec. 9, 2020 in Jackson, Miss. (AP Photo/Rogelio V. Solis)