CDC uses Travel Health Notices (THNs) to inform travelers about global health risks during outbreaks, special events or gatherings, and natural disasters, and to provide advice about protective actions …

Dec 9, 2025 · CDC has issued travel health notices for four countries contending with chikungunya outbreaks in recent months.

Jun 26, 2025 · The CDC runs a parallel three-tier health-notice ladder focused on outbreaks and required vaccinations. Both agencies update feeds daily, and changes take effect immediately.

Jan 9, 2025 · Everyone planning international travel early in 2025 should review the travel health notices issued by the Centers for Disease Control and Prevention (CDC).

Aug 14, 2025 · Discover essential CDC Travel Warnings to ensure safe travel this August 2025 and explore new destinations confidently.

Nov 25, 2025 · Travel notices are designed to inform travelers and clinicians about current health issues related to specific international destinations. These issues may arise from disease outbreaks, special …

Aug 6, 2025 · The CDC issued a travel warning about an outbreak in southern China of a painful mosquito-borne virus called chikungunya.

Sign up to get travel notices, clinical updates, & healthy travel tips. CDC Travelers’ Health Branch provides updated travel information, notices, and vaccine requirements to inform international …

Aug 8, 2025 · CDC reviewed its global polio notice on August 4, 2025. The advisory continues to classify polio as Level 2, practice enhanced precautions, and provides a country list that now spans parts of …

Currently there are no Travel Health Notices at this level. Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio …