The anti vax issue has been thrown around a fair amount and the lawyers are starting to get their teeth into it over here in Europe. Regular articles and opinions are being put out there by learned colleagues as we are out of lockdowns and businesses are now returning to offices. The general consensus within the aviation sector is that being an anti vaxxer won't fly. You can argue discrimination and infringement of human rights all you like but the reality is most of us have standard T&Cs in our employment contracts requiring us to have unrestricted travel, valid passports, obtain background checks for AICs, pass visa checks and comply with local and international laws whilst undertaking company business etc. The legal view in Europe at least would appear to be that our employers will be well within their rights to insist on having all employees vaxxed and whilst they will undoubtedly "respect" your inherent human rights to not partake unfortunately this will do harm to their business and you will be in contravention of your obligations as an employee as set out in your employment contract. The only avenue remaining to you is to hope that you have an understanding employer who is prepared to write rosters that will enable you to fly to countries in the future that do not require you to be vaccinated. I think we can figure out the chances of that happening.