Bundesliga's FC Köln confirmed three people within the club have tested positive for the coronavirus.
The club said the players and coaching staff were tested for the virus on Thursday. All three people who tested positive are "symptom-free" and will go into quarantine for 14 days. FC Köln did not reveal anyone's names out of respect for their privacy.
"FC Köln's training can continue as planned, according to the hygiene and infection control measures that have been in place since April 6th in group training," the club said in a statement. "The prerequisite for this is that the relevant group of people are tested further, as stated for in the medical concept of the 'Taskforce Sports Medicine/Special Game Operation' from the DFL.