
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.

Sign up to get travel notices, clinical updates, & healthy travel tips.
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 Zika in Indonesia August 07, 2026
- Updated Ebola Bundibugyo Virus Disease in the Democratic Republic of the Congo and Uganda August 04, 2026
- New Chikungunya in Nicaragua August 03, 2026
Level 2 - Practice Enhanced Precautions
- Updated Global Dengue July 30, 2026
- New Diphtheria in Haiti June 25, 2026
- New Hepatitis A in Canada June 04, 2026
