U.S. regulators on Friday said they would work quickly to authorize Johnson & Johnson’s COVID-19 vaccine for emergency use after a panel of outside advisers backed the one-shot immunization. The Food and Drug Administration is expected to decide on emergency use by Saturday for what would be the third vaccine available in the United States, and the only one that requires a single shot. The agency told J&J that “it will rapidly work toward finalization and issuance of an emergency use authorization,” the regulator said in a statement after the vote by advisers. “The agency has also notified our federal partners involved in vaccine allocation and distribution so they can execute their plans for timely vaccine distribution,” it said. The outside panel consisting of doctors, infectious disease experts and medical researchers voted unanimously that the benefits of the vaccine outweigh its risks in people age 18 and […]