England midfielder Jesse Lingard missed the training session ahead of the Euro 2020 qualifier against Bulgaria at St George’s Park due to a minor illness.
A Football Association spokesman told the PA news agency that the Manchester United player had been kept away from the rest of the team as a precaution, but was still hopefully available for selection for Saturday’s match at Wembley.
A back problem has already ruled out Lingard’s United team-mate Aaron Wan-Bissaka.
The 21-year-old has settled in impressively at Manchester United since his summer arrival from Crystal Palace for a fee that could rise to £50million.
Wan-Bissaka’s form saw him rewarded with a maiden senior call-up for September’s home Euro 2020 qualifiers against Bulgaria and Kosovo, but injury has led to his early departure from Gareth Southgate’s squad.
Southgate, who has called upon Mason Mount, James Maddison and Tyrone Mings, knows he needs to keep adding depth to his squad.
“We’ve got to keep evolving as a squad and as a team,” said Southgate. “We’ve had a two-year period of progress and constant improvement, I think. But we can’t stand still and there are young players coming through that we might not see the best of in the next two years actually, but for the long term for England we need to start integrating them because I think this team can constantly improve and evolve.”