The United States has issued a Worldwide Caution Health Alert dated May 22, 2026, introducing new arrival restrictions and enhanced Ebola screening measures for travellers from select African countries.

Under the new directive, passengers travelling to the U.S. who have been present in the Democratic Republic of the Congo, Uganda, or South Sudan within 21 days of arrival must enter through designated airports where enhanced health screening will be conducted.

The designated entry points include Washington Dulles International Airport (IAD), Hartsfield–Jackson Atlanta International Airport (ATL), and George Bush Intercontinental Airport (IAH) in Houston, with phased implementation based on flight departure times.

The U.S. Centers for Disease Control and Prevention (CDC) and the Department of Homeland Security (DHS), through Customs and Border Protection (CBP), will carry out enhanced health checks at these airports in response to the ongoing Ebola outbreak.

Officials said the measures apply to all travellers, including U.S. citizens, who have recently visited the affected countries.

Authorities have warned that the new rules may cause flight delays, cancellations, or rerouting as airlines adjust their operations to comply with the requirements.

Passengers planning to travel to the United States have been advised to confirm flight details in advance and follow airline instructions closely.

The U.S. government has also urged travellers to review updated CDC health guidance and stay informed through official consular advisories, while encouraging enrolment in the Smart Traveler Enrollment Program (STEP) for real-time updates.