The game was due to kickoff at 8 p.m. GMT (3 p.m. ET).
“All four personnel will now observe a period of self-isolation in accordance with Premier League and UK Government protocol on quarantine,” City said in a statement at the time.
Carlo Ancelotti’s Everton are third in the league while City are in sixth, trailing them by three points. However, Pep Guardiola’s side have a game in hand.