The Greek millionaire was in attendance at the Emirates less than two weeks ago when Olympiacos knocked the Gunners out of the Europa League.
But the North London club says none of their staff or players have contracted symptoms of COVID-19.
"Our home match with Olympiacos in the Europa League was played on Thursday 27th February and none of our staff who came into contact with him on that matchday have reported any symptoms since," an Arsenal spokesman announced.
"We continue to follow strict protocols with regard to coronavirus. We're following the Government health guidelines and have additional procedures in place to protect our players and staff.
"This has included regular deep cleaning of areas used by players at Emirates Stadium and our training centre."