The socialism method in these situations is obvious. At first, are the volunteers, next are the willing. After this will be scare campaigns for non-compliance. Emotional appeals will be made with appeals “for your own good” or “for the greater good”. There will also be restrictions placed on the remaining who refuse to comply. Finally, those left will be rounded up and jailed where they will either be forced to comply or simply made to disappear.
Need an example? Just visit China or Vietnam.
Or Singapore...
Voluntary take one of the western vaccines or be forced to take Sinovac later (or be banned from just about everything, from travel to public transport to building entry)