Leyton Orient have confirmed that "a number" of first-team players have tested positive for coronavirus.
The O's are due to host Premier League Tottenham in the Carabao Cup on Tuesday and are in discussions with Public Health England about whether any further action needs to be taken.
The club said in a statement that the tests were carried out after Saturday's 2-2 draw with Mansfield in League Two.
Their most recent opponents - Plymouth, Mansfield and Oldham - have been told.
"Leyton Orient's priority is the health and wellbeing of its players and staff.