Covid-19 antibody test that’s better than those currently available has been developed by researchers at a Scots university.Serology tests detect if a person has previously had the virus and are important tools in tracing its spread.However, some existing antibody tests are not suited to rapid mass deployment as they can be inaccurate and also detect other coronaviruses including some versions of the common cold.Did you know you can keep up to date with the latest news by signing up to our daily