<p>Former U.S. Vice President Joe Biden, a 2020 Democratic presidential candidate, and Tom Perez, chairman of the Democratic National Committee (DNC), exit the stage during the DNC Women’s Leadership Forum conference in Washington, D.C., U.S., on Thursday, Oct. 17, 2019. </p>
<p>Nick Cordero attends Opening Night Of Rock Of Ages Hollywood At The Bourbon Room at The Bourbon Room on January 15, 2020 in Hollywood, California. </p>
<p>Former Vice President Joe Biden, presumptive Democratic presidential nominee, wears a protective mask during a NowThis economic address seen on a smartphone in Arlington, Virginia, on May 8, 2020. </p>
<p>National Institute for Allergy and Infectious Diseases Director Dr. Anthony Fauci testifies before a Senate Health, Education, Labor and Pensions Committee hearing on the coronavirus on Capitol Hill, Tuesday, March 3, 2020, in Washington. </p>
<p>President Donald Trump participates in a tour of a Honeywell International plant that manufactures personal protective equipment, Tuesday, May 5, 2020, in Phoenix.</p>