I will be traveling to Quito, Ecuador in a few weeks. I'm flying on Copa Airlines from the United States with a 3 hour layover in Panama (PTY). I will also fly back from Quito to the United States via Panama.

I just found out from the CDC and other sources that if you come from a country with Yellow Fever, you need proof of vaccination. Quoting from the website:

The government of Ecuador requires proof of yellow fever vaccination if you are traveling from a country with risk of yellow fever (this does not include the US - for complete list, see Countries with risk of yellow fever virus transmission).

My question is easy: do I need the vaccine because of short layover?


I just called Copa Airlines, my carrier. They said that I don't need this vaccine.

So the general answer to this question seems to be "Call your airline"


One month later, this was indeed the case. Went USA-> Panama -> Ecuador -> Panama -> USA with no problem.

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