Pittsburgh, UNITED STATES
U.S. State Secretary Antony Blinken visits the University of Pittsburgh Biomedical Research facilities,...
U.S. Secretary of State Antony Blinken, escorted by Paul Duprex, PhD, director of University of Pittsburgh’s Center for Vaccine Research, waves to researchers during a tour of the University of Pittsburgh Biomedical Research facilities, in Pittsburgh, Pennsylvania, U.S., September 30, 2021. Rebecca Droke/Pool via REUTERS