When vacationers enterprise back out, lots of — especially these flying overseas — will need to have to deal with new specifications to show they’ve examined destructive for COVID-19 or obtained a vaccine.

The Facilities for Illness Management and Avoidance up to date its guidance to say entirely vaccinated individuals can journey in just the U.S. without the need of finding tested for the coronavirus or likely into quarantine afterward.

But vacation marketplace trade teams, airways and other organizations are creating so-identified as vaccine passports to make it easier to navigate  changing regulations. Most are in early levels or only made use of in particular locations, even though their creators say they are working to grow use. What’s less clear is regardless of whether any will emerge as a normal acknowledged broadly around the globe.

In the signify time, here’s what you need to know.

What is a vaccine passport?

A vaccine passport is a document of a traveler’s COVID-19-connected wellness info, which include whether they have been vaccinated or tested damaging for the virus that will cause it.