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Covid: The ‘unusual' sign in your mouth as the UK sees ‘extremely worrying' rise in cases
Covid through the vaccine programme, it is clear that the virus is not about to disappear," said Denis Kinane, a leading immunologist and Founding Scientist at Cignpost Diagnostics. "There are some extremely worrying trends in the rising number of infections, particularly when compared to the levels from a year ago. " One sign that could help identify the culprit are mouth ulcers.