Can’t stop coughing, sneezing and blowing your nose? How to tell if it’s allergies, a cold or Covid

ARE you one of the thousands who have got a cold that simply will not budge? A mutant superflu, dubbed “subclade K” or H3N2, is currently tearing through the UK, and the NHS is buckling under a “worst-case scenario” winter. Dr Zoe Williams, GP and Sun columnist, tells Sun on Sunday Health: “This strain is…