Laporte confirmed himself that he was in quarantine on his social media channels. So his club is free to talk about him now.So, Man Shitty seem prepared to confirm two of their top players have Covid-19. Since Laporte doesn't currently play international football (the longstanding France or Spain thing), this news has presumably come from the club.
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Manchester City have confirmed that Riyad Mahrez and Aymeric Laporte have tested positive for coronavirus.
Riyad Mahrez and Aymeric Laporte test POSITIVE for coronavirus