U.S. citizens returning home from abroad will not be required to show proof of vaccination.
Whether green card holders will be asked to follow the foreigner or citizen requirements is unclear.
If youre traveling to the U.S. from abroad, you will need to show proof of vaccination.

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Theres no update on when land borders will reopen to foreign visitors.
The current ban remains effective until October 21.
Adalja says theres no rationale in keeping land borders closed while reopening air travel.
Theres enough COVID in this country that its not coming from people across the borders.
On October 8, the U.S. said it will accept all vaccines recognized by the World Health Organization.
Willie Walsh, director of the International Air Transport Association, welcomed the decision to lift travel restrictions.
Its good for the millions of livelihoods in the U.S. that depend on global tourism.
And it will boost the economic recovery by enabling some key business travel markets.
Walsh also urged governments to accelerate global vaccine rollouts and focus resources on unvaccinated travelers.
We must get back to a situation where the freedom to travel is available to all, he said.
For the most recent updates on COVID-19, visit ourcoronavirus news page.