Although he tested negative for the virus, he was unable to team up with Gareth Southgate’s side in Sunday’s Nations League clash against Belgium after falling ill.
The AF doctors are taking no chances and performed a second test on Chilwell. If the result is negative then he could still be involved against Denmark on Wednesday.
Jadon Sancho also missed the Wales game after attending Abraham’s party.
But both players are now available for Southgate after being welcomed back into the team’s protective bubble.
Chilwell, Abraham and Sancho have become the last England players to break strict protocols after Phil Foden and Mason Greenwood were sacked from the squad following last month’s victory in Iceland.
All five players have been criticized by fans for their actions, with Foden and Greenwood being barred from the England rally by Southgate.
Three Lions midfielder Jordan Henderson admits his teammates have done wrong, but says footballers are far from the only ones breaking the rules of the coronavirus.
“We know that when you play for England there is a big responsibility and that any little thing you do will be watched,” said the Liverpool captain.
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“But during Covid, it wasn’t just the footballers who made mistakes.
“I know that we will be targeted and that everyone should try to do their best.
“But it’s new to all of us and in the last few months maybe one or two players have made some bad decisions.
“But I think that goes for the people of this country in general.
“You look at politicians, you look at businessmen. They also made mistakes. ”