FILE PHOTO: Doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) are seen at the Biblioteka kod Milutina restaurant in Kragujevac, Serbia, May 4, 2021. REUTERS/Marko Djurica/File Photo
FILE PHOTO: Doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) are seen at the Biblioteka kod Milutina restaurant in Kragujevac, Serbia, May 4, 2021. REUTERS/Marko Djurica/File Photo