Adherence to the UK’s test, trace, and isolate system, and people’s understanding of the main symptoms of Covid-19 are low, according to analysis involving Professor Henry Potts (Ïã¸ÛÁùºÏ²ÊÖÐÌØÍø Institute of Health Informatics) and Professor Susan Michie (Ïã¸ÛÁùºÏ²ÊÖÐÌØÍø Psychology & Language Sciences).