After November 3, 2026, at 11:59 pm Eastern Standard Time, all people boarding an international flight to the United States must attest (sign a statement) that they have not been present in the Democratic Republic of the Congo (DRC) in the 21 days before boarding a flight to the United States. The overall risk to the American public and travelers remains low. For more information, visit Order: Requirement for Attestation for All Airline or Other Aircraft Passengers Arriving in the United States | Port Health | CDC.

Global Flooding
Due to changing seasonal patterns, several regions of the world are experiencing increased flooding. Floodwater may increase the risk of vector-borne, waterborne, and fungal diseases. Avoid contact with floodwater and follow all instructions from local authorities.

Global Wildfires
Several regions of the world are experiencing wildfires. Wildfire smoke can reach far away from where fires burn and can make anyone sick, but some people have a higher risk of getting sick. If traveling to an affected area, reduce exposure to smoke and follow all instructions from local authorities.

Learn about CDC’s Traveler Genomic Surveillance Program that detects new COVID-19 variants entering the country.

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See the full list of Travel Health Notices, including:
- New Ebola Bundibugyo Virus Disease in Ituri and Nord-Kivu Provinces of the Democratic Republic of the Congo August 04, 2026
Level 4 - Avoid All Travel
- Updated Ebola Bundibugyo Virus Disease in Haut-Uélé and Tshopo Provinces of the Democratic Republic of the Congo August 04, 2026
Level 3 - Reconsider Nonessential Travel
- New Yellow Fever in Ghana October 16, 2026
- Updated Yellow Fever in Colombia October 16, 2026
- Updated Global Polio September 23, 2026
Level 2 - Practice Enhanced Precautions
- New Ebola Bundibugyo Virus Disease in Kenya October 19, 2026
- Updated Global Dengue October 02, 2026
- New Hepatitis A in Costa Rica September 18, 2026
