Leaders from across the European Union's 27 member-states celebrated the start of vaccination efforts on Sunday. EU Commission President Ursula von der Leyen called it "a European success story."
Copyright 2020 NPR
Joanna Kakissis is an international correspondent based in Kyiv, Ukraine, where she leads NPR's bureau and coverage of a conflict that has upended millions of lives, affected global energy and food supplies and pitted NATO against Russia.