Purpose
Publication name: CDC Yellow Book: Health Information for International Travel
Edition: 2026
Top takeaway: Healthcare professionals should prepare international travelers for environmental hazards and health risks, such as sun exposure and bug bites.

Chapters
Learn about safety practices to prevent damage from ultraviolet radiation during travel.
Learn how to advise international travelers about extreme temperature-related illnesses.
Inform international travelers about air quality risks and reducing ionizing radiation exposure.
Learn how to educate divers on decompression illness and safe diving practices.
Learn how to prevent altitude illness among international travelers visiting high altitudes.
Learn about bug bite prevention strategies for international travelers.
Learn how to counsel and treat international travelers on bites, scratches, and other hazards.
Learn how to alert international travelers about the risks associated with eating seafood.
Learn about safety and security tips based on destination-specific risks.
Learn about travel-related injury risks to international travelers.
Learn how to educate international travelers about toxic plants, animals, and chemicals.