When I got my booster I asked the nurse about this.
It took her a few tries to actually understand that there are weeks on end when I go nowhere & see no-one other than the relative who lives with me (who also goes nowhere).
She then said that No, there is no need to do LFT unless I am having contact with others.
Richard Osman and his House of Games
Wedding Present Dinner Service.
Sudden pain in back of leg behind knee
My daughter is lying about me and editing me out of her life.

. When I say we report the results, I mean I do as I am more conscientious than DH (of course!). I didn't set up an account, so have to put in our details every time, but it doesn't take long and at least I don't have a password to remember.