As already stated, it will be enforced by the companies. Just as the masks were.
Legal recourse by employees will get buried .
Exemptions may be accepted by some but not others.
It will not stop. Eventually it will be vax or nothing. After a few or several months of testing for the non vaxxed, you’ll have a certain percentage that just give in. After they hit the wall on that, they will move to make the vax mandatory, no testing out. Then will come vax, testing , masks, all three rolled into one no matter what.
The world is changing dramatically, tptb want full compliance on everything.
Put your trust in The Most High.
Resist what you can.
We’re in the end game.