A new COVID-19 antibody test will go live in the UK in the next fortnight.
The ground-breaking test takes a blood sample from a patient and analyses it for antibodies that will show if someone has had the virus.
If the antibodies show up as positive it will be the first clue in establishing that somebody has a degree of immunity to COVID-19.
Trials are starting to get underway at four hospitals in England including the Royal Preston Hospital in Lancashire where they are confident of being able to handle thousands of the antibody tests every day from 1 June.
Read more via Sky News