Strictly Come Dancing fans have been on tenterhooks waiting for the latest instalment of The Kevin Clifton Show, after unexpected health issues left the ballroom star "hanging on for dear life".The 39-year-old has since issued an apology for the late running of the programme and spoken of the "bad cold" he was stricken with. "Both me and [sister] Jo have been pretty ill," he disclosed. "I was still performing in Rock of Ages, but I was hanging on for dear life with my voice."I was basically not talking because I had to do everything I could to protect [it]." He revealed that a virus had been spreading through the team like wildfire but, fortunately, he had tested negative for COVID."There's just this cold going round - it's not COVID, but.