Blood tests are also being carried out, that can detect if a person has previously been exposed to the virus. These tests, says Lewin, are useful for knowing if a person may have developed immunity.
An antibody test can detect if a person has had coronavirus before and has since recovered. The test, carried out by a device that pricks your finger for blood, works this out by testing your blood for coronavirus antibodies to see if they have already beaten the virus and gained some immunity to it. It can do this in about 15 minutes.
The coronavirus swab test that the Government currently uses can only tell whether a person has the virus, not if they have had it and recovered. These swab tests also take much longer to get a result.
I know some people hate him, but for the sake of our health, do watch it!