Any player who tests positive will remain in solitary confinement until he meets public health protocols for termination of solitary confinement and has been authorized by a doctor.
The names of the players have not been released; some, like Malcolm Brogdon of Indiana and Sacramento teammates Jabari Parker and Alex Len have publicly acknowledged that they have been positive recently.
The NBA season is set to resume on July 30 with 22 teams competing in Orlando, Florida.
The league has not announced test results for staff and other members of the travel crew, who are also part of the mandatory testing program.
On Tuesday, teams were scheduled to start testing players in their home markets every two days. Teams participating in the restart can begin arriving in Florida on July 7. The training camps will run from July 9 to 29 with three scrums per team.
The NBA shared the safety plan with its players on Thursday to help enforce health and safety protocols and to secure its campus at the ESPN Wide World of Sports complex for the resumption of the 2019-2020 season, sources said. from the league to ESPN.
The Associated Press contributed to this report.