https://www.cdc.gov/coronavirus/2019-ncov/travelers/international-travel-during-covid19.html
Fully vaccinated travelers are less likely to get and spread COVID-19. However, international travel poses additional risks, and even fully vaccinated travelers might be at increased risk for getting and possibly spreading some COVID-19 variants.
Stands to reason, since the so-called "vaccinations" are what created the so-called "variants" in the first place. A pox on them all.