Chelsea will reportedly allow N'Golo Kante to stay away from the club's training until he is ready to return.
The French international reported to camp on Tuesday with the rest of the team but was missing from Wednesday's session, same as Thursday.
The club reportedly allowed the midfielder to train from home following concerns over the coronavirus.
Kante is said to have requested to stay away from the rest of the team over personal health concerns.
The former Leicester man caused a scare back in 2018, after fainting while in training, the same year his brother died of a heart attack.
Chelsea, and indeed all clubs, have strictly followed laid down guidelines as provided by the government, including maintaining social distance and training in small groups.
All Premier League clubs were given the go-ahead to return to training this week, ahead of the planned Premier League return scheduled for June.
Despite the plans following the guidelines, some players have voiced their concerns over their safety, saying the resumption is being rushed.
Watford captain Troy Deeney is one other player who has refused to return to training saying he fears for his safety, and that of his young family.