According to Goal, Chelsea have tested all their players for the coronavirus, but none of them is understood to have contracted the disease.
The concerns have risen to a new level after reports that a person close to the squad has complained of coronavirus symptoms on Wednesday night.
After that, the Thursday training session was cancelled and the club’s training base at Cobham has undergone a deep clean.
On Friday, it will most likely be business as usual: players will return for training, and Frank Lampard will answer reporters’ questions at a press conference, with the coronavirus certain to be among the main topics.
The virus is becoming a large concern for the football world as well as Chelsea: several Champions League and Europa League fixtures have been suspended, as well as domestic leagues in Spain and Italy.
UEFA will hold a key conference call on March 17 to discuss to course of action.