The rollout of the first coronavirus vaccine began Monday morning and marked a major turning point in the U.S.'s battle against surging case numbers as the first doses of the Pfizer medication was administered to health care workers and nursing home staffers. Sandra Lindsay, a critical care nurse from Northwell Long Island Jewish Medical Center was the first vaccinated in New York at 9:23 a.m. during a livestreamed event with Gov. Andrew Cuomo.