Greek PM calls for COVID-19 vaccine patent waiver to help countries in need

Greek Prime Minister Kyriakos Mitsotakis (L) welcomes Spanish Prime Minister Pedro Sanchez at Greek Prime Minister's Office in Athens, Greece, on May 10, 2021. Spanish Prime Minister Pedro Sanchez visited Greece on Monday to attend the 6th Delphi Economic Forum. (Photo by Michalis Karayannis/Xinhua)