He may be banned from travel. I can't support countries banning unvaccinated people but that is their right. OTOH, here in the US there should be absolutely no discrimination based on either getting or not getting a shot. That's why I support the state legislation to outlaw employment discrimination https://www.huschblackwell.com/newsandinsights/50-state-update-on-pending-legislation-pertaining-to-employer-mandated-vaccinations and would love to see that as part of the 2022 Republican platform to take back the House and Senate.
This is America. We don't track everyone just because they might get a disease. We don't have "papers please". That is an abomination and must be fought.
We have an unelected co-president more or less in charge for now. He and his handlers need to go,the sooner the better.