Chelsea’s game with Everton on Thursday is still due to go ahead despite fresh cases of Covid among the first-team squad at Stamford Bridge.
It is understood a “small number” of players tested positive on Wednesday, joining Mateo Kovacic in isolation.
That immediately threw the game with Everton into doubt, with the football calendar rapidly being impacted by the spread of Omicron.
But the situation at Chelsea is not considered an outbreak because there were no new cases during testing on Thursday morning.
It is understood that it takes two consecutive days of positive cases for an outbreak to be declared, with Chelsea having no fresh cases since Wednesday.
But doubts will still remain given the rapidly changing situation at clubs.
There are growing fears the Premier League will have to shut down due to the failure to control Omicron.
Tottenham had games against Rennes and Brighton postponed last week after an outbreak among staff and first-team players.
Manchester United shut down first team operations this week, leading to the calling off of their visit to Brentford.
And late on Thursday Burnley’s clash with Watford became the latest to be postponed.
