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.
The classic Covid symptoms people should look out for, the NHS says, are:.
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.
The change appears linked to the rise in the Delta variant, first identified in India and now accounting for 90% of Covid cases in the UK.
Fever remains quite common but loss of smell no longer appears in the top 10 symptoms, Prof Spector says.
Similarly, the Imperial College London React study of more than a million people in England - when the Alpha or UK variant was dominant - found a wide range of additional symptoms linked to Covid.
Government advice says the most important symptoms of Covid are:?
Headache and runny nose linked to Delta variant
Headache and runny nose linked to Delta variant3