ATHENS, Dec. 27 (Xinhua) -- Greek Health Minister Thanos Plevris announced on Monday stronger measures to contain the spread of COVID-19 as the daily number of new infections surged to an all-time high in the country. The Hellenic National Public Health Organization (EODY) confirmed 9,284 new cases within 24 hours on Monday. "The Omicron variant of coronavirus seems now gaining significant ground in Greec