Bundesliga side, FC Cologne, has announced that three members of their staff have tested positive for COVID-19.
The club confirmed on Friday that playing staff, as well as coaches and backroom staff, were tested on Thursday at training, but three results came back positive.
The trio, who are all symptom-free, will enter a 14-day quarantine period, the club said.
Cologne managing director Horst Heldt said: ‘The health and private sphere of players and staff have priority above all else.
‘The previous measures, as well as the strategy of regular tests, have proven themselves so that we can now react with individual solutions.’
The news has now cast doubts if the Bundesliga season will still go-ahead to restart games within the next few weeks.
The German league was initially set to restart on May 9, but the decision was pushed back to May 16 for safety reasons.