It seems like a no-brainer but Loyola spells it out: https://www.loyolamedicine.org/about-us/news/covid-vaccine-requirements-lung-transplant-patients
The decision to get vaccinated is a no-brainer. People who decide not to be vaccinated are also no-brainers. That is especially true of the "SAVANTS".* It seems there's no getting through to them.
*"SAVANT" means "Sorry Anti Vaxxer And No Transplant".