You are not mistaken, he is positive too, that's the latest news for NBA players infected in NCOV-19.
https://www.cbssports.com/nba/news/coronavirus-donovan-mitchell-confirms-positive-test-after-jazz-teammate-rudy-gobert-contracted-covid-19/
are prone to this pandemic issue.
This will, just trust God, no harm would stay in this world forever and the NBA will resume soon.
Their action to suspend is needed but they have announce lately that they'll give 30 days to come up with the best decision.