A headache, sore throat and runny nose are now the most commonly reported symptoms linked to Covid infection in the UK, researchers say. Prof Tim Spector, who runs the Zoe Covid Symptom study, says catching the Delta variant can feel “more like a bad cold” for younger people. But although they may not feel very ill, they could be contagious and put others at risk. Anyone who thinks they may have Covid should take a test. The classic Covid symptoms people should look out for, the NHS says, are: cough, fever and loss of smell or taste. But Prof Spector says these are now less common, based on the data the Zoe team has been receiving from thousands of people who have logged their symptoms on an app.(BBC)…[+]