If you test staff in the workplace for Coronavirus you need to make sure you are GDPR compliant. The ICO has published guidance, here, alternatively Concrew Training’s course on GDPR provides comprehensve training on how to be GDPR complaint across the whole organisation/department. More information here

Image: based on “MERS Coronavirus Particles“​ by NIAID used under CC BY 2.0
top & bottom of image removed.