Three Premier League matches in a week have now been called off because of outbreaks of Covid-19.
Burnley's game with Watford became the latest to be postponed on Wednesday, the same day the UK reported its highest number of daily cases since the beginning of the pandemic - 78,610.
Three of the weekend's Championship games have already been called off.
And in rugby, Saracens' European Challenge Cup game with Pau on Saturday has also been postponed.
How have new Covid cases affected men's football?
New Covid rules in England were announced last week to help limit the spread of the Omicron variant.