Strictly Come Dancing has been plunged into chaos just hours ahead of the show's launch later today after two professional dancers reportedly refused to get vaccinated against coronavirus, which has left their celebrity partners hesitant to be paired with them.The two dance stars are believed to be the only ones out of the 18 who are not vaccinated on the show.A source claimed that the programme's bosses are concerned about a potential outbreak of Covid on the dance programme, as it would mean "curtains for the show."They said: "The dancers who won’t get vaccinated have been a topic of conversation among cast and crew for weeks — even before the positive test."There were vocal protests from celebrities that they didn’t want to be paired.