Sportsmail understands that the group does not include medal hopefuls Dina Asher-Smith, Katarina Johnson-Thompson, Laura Muir, Jemma Reekie, Adam Gemili, Andy Pozzi, Elliot Giles, Keely Hodgkinson or Dan Rowden.Insurance Loans Mortgage Attorney Credit Lawyer
Two members of staff have also been affected.
Members of Team GB check in at Heathrow Terminal 5 before they depart London for Tokyo
The group were on a flight that landed in Japan on Friday.
The news comes as a huge blow ahead of Friday’s Opening Ceremony and raises further questions over the decision to host the Games during a pandemic. It is thought that those affected may be able to train should they return two negative tests in 48 hours.