BBC hit show, which is hosted by Claudia Winkelman and Tess Daly. BBC bosses are said to now be fearful that there could be a larger outbreak among those participating in the show.
A pre-recorded launch show to reveal the contestant and dancer pairings will air tonight, before the live shows and the dancing starts next week.
A source told The Sun that if a 'proper outbreak led to 'half the cast' contracting Covid-19, it would be 'curtains' for the show.
It comes three days after it emerged that one professional dancer has tested positive for Covid-19. The unidentified dancer has been forced to isolate for ten days, but their celebrity partner tested negative.
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