Thoracic surgeon Vitaly Sokolov, who heads an infectious diseases department of the Kiev city clinical hospital ? 17, gets ready for his shift treating coronavirus patients, in Kiev on January 14, 2021. - Vitaly Sokolov, a doctor who has been treating critical coronavirus patients in Ukraine since the start of the pandemic, is anxiously waiting to be vaccinated. But his ex-Soviet republic is caught in a geopolitical tug-of-war that is delaying a national vaccine rollout in one of Europe's poorest countries. (Photo by GENYA SAVILOV / AFP)