Purpose
Publication name: CDC Yellow Book
Edition: 2026
Top takeaway: The CDC Yellow Book covers a variety of travel medicine topics for healthcare professionals.
Preparing international travelers
Learn about pre-travel consultations to assess risks and recommend care to international travelers.
Consider how a traveler’s perception and tolerance of risk may impact their travel decisions.
Learn which vaccines to administer to international travelers before travel.
Learn about possible medication and vaccine interactions among international travelers.
Find country-specific advice for yellow fever and malaria prevention.
Learn about common causes of travelers’ diarrhea and which medications prevent and treat it.
Learn about safe food and water practices to share with international travelers.
Learn about water disinfection techniques for travelers visiting regions with unsafe drinking water
Learn the essential supplies to suggest to international travelers for travel health kits.
Learn how to prioritize essential vaccines for last-minute international travelers.
Learn more about mental health support and strategies to share with international travelers.
Learn about local laws, health considerations, and safety risks for LGB+ international travelers.
Learn more about safe, evidence-based complementary health practices for international travelers.
Learn about accessible healthcare solutions for international travelers with limited resources.
Advance your travel medicine knowledge with these websites, conferences, and organizations.
Travelers with extra considerations
Learn how to counsel and protect international travelers with HIV.
Tailor vaccine and medicine recommendations based on international travelers’ immune systems.
Learn how to counsel and recommend resources to international travelers with disabilities.
Learn how to educate international travelers to manage chronic conditions during travel.
Learn how to advise international travelers to manage allergies and avoid allergic reactions.
Educate international travelers about local laws, restricted medications, and necessary documents.
Counsel and share resources with international travelers about substance use during travel.
Environmental hazards and risks
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.
Travel-related infections and diseases
Learn how to diagnose, treat, and prevent chikungunya in international travelers.
Learn how to diagnose, treat, and prevent cholera in international travelers.
Learn how to diagnose, treat, and prevent COVID-19 in international travelers.
Learn how to diagnose, treat, and prevent dengue in international travelers.
Learn how to diagnose, treat, and prevent hepatitis A in international travelers.
Learn how to diagnose, treat, and prevent influenza in international travelers.
Learn how to diagnose, treat, and prevent Japanese encephalitis in international travelers.
Learn how to diagnose, treat, and prevent cutaneous and visceral leishmaniasis in travelers.
Learn how to diagnose, treat, and prevent leptospirosis in international travelers.
Learn how to diagnose, treat, and prevent malaria in international travelers.
Learn how to diagnose, treat, and prevent measles in international travelers.
Learn how to diagnose, treat, and prevent meningococcal disease in international travelers.
Learn how to diagnose, treat, and prevent norovirus in international travelers.
Learn how to diagnose, treat, and prevent poliomyelitis in international travelers.
Learn about pre-exposure and post-exposure strategies to minimize rabies risk in travelers.
Learn how to diagnose, treat, and prevent rickettsial diseases in international travelers.
Learn how to diagnose, treat, and prevent schistosomiasis in international travelers.
Learn how to diagnose, treat, and prevent tick-borne encephalitis in international travelers.
Learn how to diagnose, treat, and prevent tuberculosis in international travelers.
Learn how to diagnose, treat, and prevent typhoid and paratyphoid fever in international travelers.
Learn how to diagnose, treat, and prevent yellow fever in international travelers.
Learn how to diagnose, treat, and prevent zika in international travelers.
Health care abroad
Learn about the different types of travel insurance.
Learn how to advise travelers on methods to access medical care if they are sick abroad.
Learn how to educate international travelers on the risks of medical tourism.
Family travel
Learn how to provide pre-travel assessments and advice for pregnant international travelers.
Advise breastfeeding travelers on hydration and milk storage during travel.
Learn how to offer practical safety tips to international travelers with infants and children.
Learn how to ensure infants and children are up to date on travel vaccines before travel.
Learn how to advise international travelers who are traveling with pets and service animals.
Travel by air and sea
Learn how to counsel and prepare international travelers on the health risks on airplanes.
Learn how to respond to in-flight medical emergencies.
Learn how to diagnose, treat, and prevent blood clots in international travelers.
Learn how to counsel travelers to prevent and manage jet lag symptoms during international travel.
Learn how to counsel and prepare international travelers on the health risks on cruise ships.
Learn which medications and treatments prevent and manage motion sickness among travelers.
Travel for work and other reasons
Learn how to counsel business travelers based on the duration and reason for international travel.
Learn how to prepare international travelers visiting areas with limited resources.
Learn how to advise international travelers to stay safe during humanitarian aid deployments.
Learn how to prepare travelers to manage their health before long-term travel or relocation.
Learn how to prepare students to manage their health before they study abroad.
Learn about the risks associated with large gatherings and how to prevent them.
Learn about the risks associated with adventure travel and how to prevent them.
Learn how to educate international travelers about safe sex practices during travel.
Refugees, immigrants, and migrants
Pre-Arrival Medical Screening and Interventions for Newly Arrived Refugees, Immigrants, and Migrants
Learn how to conduct screenings of refugees, immigrants, and migrants pre-departure.
Learn how to conduct screenings of refugees, immigrants, and migrants after arrival in the U.S.
Learn how to counsel international travelers visiting their friends and relatives abroad.
Learn how to communicate with refugees, immigrants, and migrants in culturally sensitive ways.
Learn how to prepare families for international adoption and screening of adopted children.
Post-travel evaluation
Learn how to evaluate ill international travelers for post-travel disease.
Learn how to determine if or when to screen asymptomatic travelers after international travel.
Learn how to evaluate international travelers with respiratory symptoms after travel.
Learn how to evaluate international travelers with diarrhea after travel.
Learn how to evaluate international travelers with skin conditions after travel.
Learn how to evaluate travelers with manifestations of parasitic disease after travel.
Learn how to rule out infections from viral special pathogens among travelers after travel.
Popular destinations
Africa and the Middle East
Learn how to prepare travelers embarking on an African safari or climbing expedition.
Learn how to prepare travelers visiting Saudi Arabia for the Hajj or Umrah pilgrimage.
Learn how to prepare travelers visiting South Africa.
Learn how to prepare travelers visiting Egypt.
The Americas and the Caribbean
Learn how to prepare travelers visiting Brazil.
Learn how to prepare travelers visiting the Dominican Republic.
Learn how to prepare travelers visiting Mexico.
Learn how to prepare travelers visiting Peru.
Learn how to prepare travelers visiting Guatemala or Belize.
Learn how to prepare travelers visiting Jamaica.
Asia
Learn how to prepare travelers visiting China.
Learn how to prepare travelers visiting India.
Learn how to prepare travelers visiting Nepal.
Learn how to prepare travelers visiting Thailand.
Learn how to prepare travelers visiting Cambodia.
Learn how to prepare travelers visiting Vietnam.