Ex-FDA Chief Calls New Covid-19 Antigen Test a ‘Game-Changer’

(Bloomberg) — U.S. approval of a new antigen test to rapidly screen people for the coronavirus “is a real game-changer,” said the former head of the U.S. Food and Drug Administration. The emergency use authorization — the first ever by the FDA for a Covid-19 antigen test — was granted to San Diego-based Quidel Corp. late Friday, according to a notice from the agency. The move could mark a breakthrough in screening for the virus and comes as…