A healthcare worker prepares to administer a COVID-19 vaccine Thursday, Feb. 11, 2021 at PNC Arena in Raleigh, N.C. Wake County Health Department workers along with nurses and volunteers from area hospitals distributed vaccines during the drive through appointment-only event. Since North Carolina began administering the vaccine in December, more than 1 million people have gotten their first doses. (AP Photo/Gerry Broome)

Wake County Health Department workers along with nurses and volunteers from area hospitals and emergency services are seen during a drive through COVID-19 mass vaccination event at PNC arena in Raleigh, N.C., Thursday, Feb. 11, 2021. Since North Carolina began administering the vaccine in December, more than 1 million people have gotten their first doses. (AP Photo/Gerry Broome)