The Premier League says there has been four new positive results from the latest round of coronavirus testing.
There were 1,646 players and club staff tested between Monday, 2 November and Sunday, 8 November.
Those who tested positive have not been identified and will now have to self-isolate for a period of 10 days.
There were four positive results from 1,446 tests between 26 October and 1 November in the previous round of testing.