So far, the symptoms reported are mostly restricted to upper respiratory tract infections such as fever, cough, sore throat, body aches, and runny nose. But recent data from December 2023 by the UK’s Office for National Statistics (ONS) spotted two new symptoms: trouble sleeping and anxiety. Over 10 per cent of people with covid in the UK have consistently reported anxiety or excess worrying since early November, revealed the winter covid report from the ONS.