In this Thursday, Feb. 11, 2021, file photo, pharmacy technician Sochi Evans fills a syringe with a Pfizer-BioNTech COVID-19 vaccine at Texas Southern University in Houston. (Brett Coomer/Houston Chronicle via AP, File)
District of Columbia Health Officer Dr. LaQuandra Nesbitt speaks during a news conference following an event to administer the Pfizer-BioNTech vaccine for COVID-19 to front-line workers during a vaccine event at Kaiser Permanente Capitol Hill Medical Center in Washington, Thursday, Dec. 17, 2020. (Shawn Thew/Pool via AP) **FILE**