FILE - In this Jan. 7, 2021, file photo, registered nurses Kyanna Barboza, right, tends to a COVID-19 patient as Kobie Walsh puts on her PPE at St. Joseph Hospital in Orange, Calif. Coronavirus deaths in the U.S. hit another one-day high on Tuesday, Jan. 12, 2021, at over 4,300 with the country’s attention focused largely on the fallout from the deadly uprising at the Capitol. (AP Photo/Jae C. Hong, File)

Residents wait to be cleared after receiving the Pfizer-BioNTech COVID-19 vaccine at the The Palace assisted living facility, Tuesday, Jan. 12, 2021, in Coral Gables, Fla. (AP Photo/Lynne Sladky)

Seniors wait to be vaccinated against COVID-19 at a New York State vaccination site in the Jacob K. Javits Convention Center, Wednesday, Jan. 13, 2021, in New York. New York state expanded COVID-19 vaccine distribution Tuesday to people 65 and over, increasing access to an already short supply of doses being distributed. (AP Photo/Mary Altaffer)

Ken Towns receives a first dose of Pfizer-BioNTech COVID-19 vaccine from UC Davis Health on Tuesday, Jan. 12, 2021, in Sacramento, Calif. (AP Photo/Noah Berger, Pool)