Liverpool manager Jurgen Klopp is also uncertain whether his side's match at Chelsea on Sunday will go ahead as the club await PCR test results.
"We have three new Covid cases in the team and a few more in the staff so it's not so cool in the moment," Klopp said.
Asked whether Liverpool will need the game to be postponed Klopp added: "We aren't close to getting the game postponed yet. We haven't had a proper outbreak yet but it's happening more and more often.
"It's like a lottery in the morning when you wait for the result. It was day-by-day pretty much another case and today another one."
The most recent figures show a record 103 Premier League players and staff tested positive for Covid in the seven days up to and including 26 December.
Premier League and EFL clubs chose to fulfil their festive fixtures despite the ongoing coronavirus disruption.
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