Eleven staff members were also affected. It is not yet clear what consequences it will have for the team’s second European Championship match.
The second group match against Sweden is scheduled for Wednesday for the team of national coach Nils Nielsen. The Swiss team drew in the opening game against Portugal (2-2).
Switzerland is in the group with the Netherlands, which also drew (1-1) in the first game against Sweden on Saturday. The Orange will take on Portugal on Wednesday.