rhetorical question
You could force everyone to take an antibody test. Because that’s now the new thing to make sure that a vaccine hasn’t worn off yet.
Since 2016, ID2020 has advocated for ethical, privacy-protecting approaches to digital ID.
The Agenda behind Bill Gates Vaccine & ID2020:
https://www.youtube.com/watch?v=nWcoGWx2Wq4
Oh, there will be a mark with it.