Washington, UNITED STATES
Democratic U.S. presidential candidate and former Vice President Joe Biden coughs at the 11th Democratic...
Democratic U.S. presidential candidate former Vice President Joe Biden turns away to cough into his hand early during the 11th Democratic candidates debate of the 2020 U.S. presidential campaign, held in CNN's Washington studios without an audience because of the global coronavirus pandemic, in Washington, U.S., March 15, 2020. REUTERS/Kevin Lamarque
