They literally work every day with very ill cancer-stricken kids who can’t get the vaccine.
This makes 100% sense.
If you’re an employee of a world renowned hospital and are anti-vax, you didn’t deserve to be hired to begin with because that hospital tends to hire people who understand evidence-based medicine and apply that to clinical practice. If you’re an anti-vax healthcare worker, you aren’t practicing evidence-based medicine and are therefore a danger to patients.