Bruce Greenstein, Executive Vice President and Chief Strategy and Innovation Officer of the LHC Group offers President Donald Trump an elbow bump in place of a handshake for safety as Dr Anthony Fauci and Vice President Mike Pence look on after the president declared the coronavirus pandemic a national emergency at a news conference in the Rose Garden of the White House in Washington, U.S., March 13, 2020. REUTERS/Kevin Lamarque
