32 shares Visitors set up inside circles designed to help prevent the spread of the coronavirus by encouraging social distancing, at Dolores Park in San Francisco, June 28, 2020. (AP Photo/Jeff Chiu) WASHINGTON, United States — The United States’ top pandemic adviser said Sunday that authorities were considering cutting social distancing rules to three feet (one meter), a move that would change a key tenet of the global fight against COVID-19. Anthony Fauci, a world-respected figure during the coronavirus crisis, said experts at the Centers for Disease Control (CDC) were examining a Massachusetts study that found “no substantial difference” in COVID-19 cases in schools observing six-foot and three-foot rules.