Eric Halsey, MD, is an adult infectious diseases physician who has worked in travel and tropical medicine for over 20 years. He formerly led the Virology Department at NAMRU-6 in Lima, Peru, and was the CDC case management lead for the US President's Malaria Initiative. He currently is the Chief Medical Officer of the CDC Travelers' Health Branch. Dr. Halsey remains board certified in internal medicine and infectious diseases and volunteers as an HIV and travel medicine physician in Atlanta hospitals and serves on the CDC Domestic Malaria After Hours Hotline.

• Preface Acknowledgements CDC Contributors External Contributors List of Maps, by Topic Section 1: Preparing International Travelers Section 2: Travelers with Additional Considerations Section 3: Environmental Hazards and Risks Section 4: Travel-Associated Infections and Diseases Section 5: Health Care Abroad Section 6: Family Travel Section 7: Travel by Air and Sea Section 8: Travel for Work and Other Reasons Section 9: Refugees, Immigrants, and Migrants Section 10: Post-Travel Evaluation Section 11: Popular Destinations Section 11, Part 1: Africa and The Middle East Section 11, Part 2: The Americas and The Caribbean Section 11, Part 3: Asia Appendix

Eric Halsey, MD, is an adult infectious diseases physician who has worked in travel and tropical medicine for over 20 years. He formerly led the Virology Department at NAMRU-6 in Lima, Peru, and was the CDC case management lead for the US President's Malaria Initiative. He currently is the Chief Medical Officer of the CDC Travelers' Health Branch. Dr. Halsey remains board certified in internal medicine and infectious diseases and volunteers as an HIV and travel medicine physician in Atlanta hospitals and serves on the CDC Domestic Malaria After Hours Hotline.

• Preface Acknowledgements CDC Contributors External Contributors List of Maps, by Topic Section 1: Preparing International Travelers Section 2: Travelers with Additional Considerations Section 3: Environmental Hazards and Risks Section 4: Travel-Associated Infections and Diseases Section 5: Health Care Abroad Section 6: Family Travel Section 7: Travel by Air and Sea Section 8: Travel for Work and Other Reasons Section 9: Refugees, Immigrants, and Migrants Section 10: Post-Travel Evaluation Section 11: Popular Destinations Section 11, Part 1: Africa and The Middle East Section 11, Part 2: The Americas and The Caribbean Section 11, Part 3: Asia Appendix