No, they don't need any type of proof. If you wanna show them proof you can but so far from my understanding no you don't. Or you can call the airline and ask.
No restrictions. You should be able to prove vaccination or reason for not vaccinating
No
2 Million people were allowed to cross our unsecured border this year so far. None of those people are being checked.
No they don't need any type of proof. Must of the county they released those restrictions for covid.
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