TOPSHOT - An aerial view shows men receiving the Chinese-made Sinopharm Covid-19 vaccine in Belgrade Fair turned into a vaccination centre, on January 25, 2021. - Serbia launched a mass Covid-19 vaccination campaign and became the first European country to use Chinese-made Sinopharm vaccine, after receiving one million doses of the Sinopharm vaccine, on January 16, 2021. (Photo by Andrej ISAKOVIC / AFP)