Earlier in the day, the league advised teams not to have morning skates, practices or team meetings.
The NHL's decision comes one day after the NBA suspended its season when a Utah Jazz player tested positive for the illness.
Major League Soccer has also suspended its season and other organizations are still holding events, but without fans present.
There has been no word as to whether or not any NHL players or staff have the virus.
This story was originally published by WFTS in Tampa, Florida.
The Buffalo Sabres issued the following statement on Thursday.