https://www.siliconvalley.com/2020/12/11/fda-authorizes-pfizer-vaccine-to-prevent-covid-19/ > As COVID-19 cases surge and hospital capacity shrinks, the U.S. Food and Drug Administration on Friday approved the first vaccine against the deadly virus, launching the nation’s historic mass vaccination campaign. > California is poised to start immunizations next week of the first two groups of eligible vaccine recipients: high-risk health care providers and residents of long-term care facilities.