Olympiakos veteran goalkeeper Kelesidis in critical condition with Covid
The veteran had been double jabbed
Existing Covid vaccines much less effective against Omicron, says Moderna’s chief executive
"I do not think there is a chance that efficiency will be at the same level as we had with Delta," he told the Financial Times
There are zero Covid-19 omicron variant cases in Greece, authorities say
40,000 samples were re-examined over the past 15 days