Romanian officials say the capital of Bucharest recorded no new coronavirus cases on Sunday.
Danish health officials say at least seven people have tested positive for the coronavirus after attending European Championship soccer games in Copenhagen.
England players Mason Mount and Ben Chilwell will have to remain in isolation until Monday after their contact with a coronavirus-infected opponent at the European Championship.
A coronavirus infection has created disruption for two teams at the European Championship after a positive test for Scotland midfielder Billy Gilmour also led to two England players having to self-isolate.
Chelsea has come from behind to beat Manchester City 2-1 and prevent City from clinching a third English Premier League title in four seasons and dethroning Liverpool.