Riyad Mahrez and Aymeric Laporte have tested positive for Covid-19, Manchester City have announced.
Both players are currently observing a period of self-isolation in accordance with Premier League and UK Government protocol on quarantine.
Neither is displaying symptoms of the virus according to the Premier League side.
City said in a statement: "Everyone at the club wishes Riyad and Aymeric a speedy recovery ahead of their return to training and the new season."
Mahrez tweeted: "Thank you for all the nice messages, I'm good. Stay safe everyone take care of you."
City's first fixture of the new Premier League season is on 21 September when they face Wolves at Molineux.