I agree with you about the job loss prospects. It is frightening.
IF I am expected to go in, I can tell you that my QA lab will have the door locked at all times and will be restricted to me and me alone. Mask. Gloves. Strict hand washing regime. Changed as soon as I get back in and clothes in the wash ready for the next shift. It'll cost a bomb in Daz but sod it. Beyond that, I am not sure what else in terms of precautions I can do, as I can hardly lock the vulnerable person in their bedroom 24 hours a day.
It's about saving jobs. You've obviously got more than a few braincells ( I mean that as a compliment) but if people look to clowns like Johnson or reactionaries like blockhead life is fucked up beyond repair. The political class is not trustworthy or credible. The antibody test is crucial beyond belief but you don't want me to go down the conspiracy theory route do you?