Brian Cornell, the Chairman and CEO of Target Corporation, reaches out and shakes hands with U.S. President Donald Trump after the president declared the coronavirus pandemic a national emergency during a news conference in the Rose Garden of the White House in Washington, U.S., March 13, 2020.

President Donald Trump and other U.S. officials appeared to disregard recommended health guidelines on preventing the spread of respiratory illnesses Friday by shaking hands, touching their faces and sharing a microphone at a press conference declaring the coronavirus a national emergency.

During a live briefing in the Rose Garden at the White House, Trump could be seen shaking hands with multiple executives from major companies, including Target CEO Brian Cornell, Walmart CEO Doug McMillon and Walgreens President Richard Ashworth.