The Premier League has announced 18 new positive Covid-19 tests among players and staff, the highest weekly total taken this season.
An increase of seven on last week's total has emerged a day after Manchester City's trip to face Everton was postponed due to an outbreak in City's squad.
City confirmed they now had more than five cases in a statement following their postponement while Arsenal revealed defender Gabriel Magalhaes had tested positive and was isolating.
Players or club staff who have tested positive will now self-isolate for a period of 10 days.