Yannis Ieremias, 70, is assisted by physiotherapist Georgia Bahou at the Theseus Rehabilitation Centre in Athens, Greece, February 1, 2021. Ieremias, who spend more than 50 days in the intensive care unit of an Athens hospital with the coronavirus disease (COVID-19), must undergo therapy to recover from mobility problems caused by his extend hospitalisation. Picture taken February 1, 2021. REUTERS/Alkis Konstantinidis