Ottawa Senators center Colin White falls as he tries to pass the puck during the first period against the Los Angeles Kings on March 11 in Los Angeles. An unidentified Senators player has become the first NHL's first positive test for coronavirus. (AP file photo)

The NHL has its first known case of coronavirus after an Ottawa Senators player tested positive.

The team announced late Tuesday that an unidentified player had tested positive for COVID-19. The Senators said the player has mild symptoms and is in isolation, and that other players are being tested under the supervision of medical authorities.

Ottawa players, coaches and others have been advised to remain isolated, monitor their health and seek advice from team medical staff. The NHL is not mandating testing.

“The current state of medical advice is that people should likely not be tested unless they are symptomatic,” deputy commissioner Bill Daly told The Associated Press by email Wednesday. “That doesn’t mean that potentially exposed individuals shouldn’t take proper precautions such as adhering to self-quarantine principles as necessary and immediately reporting to medical staff should they become symptomatic.”