Changing Landscape of Travel Ban. The guidance became effective November 29. First instated by the Trump administration and later expanded to include more countries by President Joe Biden earlier this year, the Changing Landscape of Travel Ban to most visitors from the EU, U.K., South Africa, India, Brazil and China from flying into the U.S. The reopening of the border to many international visitors comes with a new set of rules, such as vaccination requirements. Airlines have reported a jump in bookings to the U.S. and expect an immediate surge in travelers, even before peak holiday periods. Accepted vaccines are those approved or authorized by the Food and Drug Administration and those listed for use by the World Health Organization: Johnson & Johnson, Pfizer/BioNTech, Moderna, AstraZeneca, Covishield, Sinopharm and Sinovac. The country has required that since January for all arrivals, including U.S. citizens.