A pharmacist administering a COVID-19 vaccine in Santa Rosa, Calif., Wednesday. California Gov. Gavin Newsom aims to get 1 million doses of the vaccines administered before the end of the week.

SANTA ROSA, CALIFORNIA – JANUARY 13: Safeway pharmacist Preston Young administers a Moderna COVID-19 vaccination during a drive-thru COVID-19 vaccination clinic at the Sonoma County Fairgrounds on January 13, 2021 in Santa Rosa, California. Sonoma County health workers received COVID-19 vaccinations during a drive-thru clinic that was hosted by Sonoma County and Safeway. (Photo by Justin Sullivan/Getty Images)