While these symptoms were associated with previous waves of Covid, new variants have changed the symptomatic picture.
Professor Spector and his team have consistently drawn on data from ZOE Covid Study, which is based on the information logged by users in the Zoe Symptom Tracker app and the results from the swab testing programme.
In addition to keeping a tab on symptoms, the app identifies differences in numbers within the regions throughout the UK, and tracks the change in estimated cases over time.
Commenting on the latest ZOE data, Prof Spector said: comments on the latest data: “Covid cases are now at the highest levels the ZOE Covid Study has ever recorded. Even more concerning is the rise in new cases in people aged over 75.