"Officials in Greece have placed a second migrant camp near Athens under lockdown after an Afghan resident tested positive for the coronavirus, the migration ministry said."
“Officials said the camp in Malakasa, some 38 kilometres (24 miles) northeast of Athens, was placed under “full sanitary isolation” for 14 days, with no one allowed to enter or leave.”
Second Greek migrant camp under coronavirus lockdown – Camp in Malakasa under ‘full sanitary isolation’ for 14 days after a 53-year-old asylum seeker tests positive (Al Jazeera, link)
And see: Greece quarantines camp after migrants test coronavirus positive (Reuters, link)