“Yes, the U.S.
As of Monday, U.S.-bound air passengers are required to show proof of vaccination as well as a negative COVID-19 test that’s no more than 72 hours old for fully immunized travellers, and 24 hours in the case of unvaccinated U.S.
“After nearly two years of restrictions, Monday begins in earnest the return of international travel, when long-separated families and friends can safely reunite, travellers can explore this amazing country, and the U.S.