With effect from when? It’s not at the moment. I know of a nurse working directly with Covid patients who was unvaccinated as at four weeks ago. She’s been 1A since March but ‘wanted to wait and see’.
Same, I know a few ICU staff who have been/are infected/longcovid who are not vaccinated, not because they don't want to be but because it's not recommended at this time due to conditions that covid has created for them. If some idiot decides they can't work until they are vaccinated, then that won't be a problem for them, that will be a problem for us.