1of9 A CVS store in Oakland, Calif., on Aug. 2, 2019.Michael Short, Bloomberg / BloombergShow MoreShow Less 2of9 A medical worker administers a shot of COVID-19 vaccine to a woman. On March 15 more Texans will be eligible for the COVID-19 vaccine.Kemal Softic/APShow MoreShow Less 3of9 4of9 Rose Granato gets the COVID-19 vaccine at the Cisneros senior center.Jessica Phelps /Staff photographerShow MoreShow Less 5of9 Pamela Covarrubias a WellMed RN, pulls doses of the vaccine to be administered to people at the Elvira Cisneros Senior Community Center on Monday February 1, 2021.Jessica Phelps, Staff photographer / San Antonio Express-NewsShow MoreShow Less 6of9 7of9