Greek health teams conducted numerous tests in several retirement homes around the region of Attica in the past 48 hours after at least 12 residents in a home in Nea Makri, east Attica, tested positive for coronavirus, Deputy Minister of Civil Protection Nikos Hardalias said on Monday's regular briefing.
The infected residents were transferred to Athens' Sotiris Hospital.
Three patients have died since the last government update on the course of the coronavirus epidemic in Greece on Thursday evening, bringing the total toll to 89.
Overnight, a 79-year-old man died at the AHEPA Hospital in Thessaloniki, northern Greece, and an 86-year-old woman succumbed to the virus at the capital's Attikon Hospital.
Firefighters on Friday found a burned body inside a car while trying to extinguish a small blaze in the suburban town of Kryoneri, east Attica.
The car was found inside a stream. No details were immediately available on the identity of the victim.
A unit of 16 firemen managed to put out the flames by Friday afternoon.
Rescuers arriving at the scene of a house fire at the seaside resort town of Artemida in east Attica on Thursday found a burnt body, the fire service said in a press release.
The statement said it was not yet clear whether the victim was a man or a woman.
Fifteen firemen with six vehicles were sent at the corner of Pindou and Athens streets to put out the blaze.
The town of Nea Makri, which belongs in the same municipality as Marathon, is set to get the first marina in the region of northeast Attica.
A study commissioned by the Infrastructure Ministry commissioned for the broader area has found that while southern Attica has several marinas, northeastern Attica has none that are properly licensed.