CDC Yellow Book 2026 Health Information for International Travel

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.