BOSTON (CBS) –Nine more players have tested positive for COVID-19, the NBA and NBPA announced Thursday.

The positive tests came between June 24-29, as the league inches closer towards a return with a bubble season in Orlando. In total, 25 of the 351 players to be tested since June 23 have tested positive for the virus. A total of 884 team staffers were tested between June 23-29, with 10 of those tests coming back positive.

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Any player, coach or team staff member who tests positive must remain in self-isolation until they satisfy public health protocols for discontinuing isolation and have been cleared by a physician.

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The NBA has 22 teams set to report to Disney World Resorts in Orlando, Florida next week. Teams will have a three-week training camp period ahead of an eight-game seeding schedule prior to the start of the postseason. Games are scheduled to tip off on July 30.

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On Wednesday, Celtics head coach Brad Stevens announced that no players tested positive for COVID-19 and no players had opted out of the NBA’s restart.