Meet the doctors behind the podcast.
Internationally-renowned travel health experts answer your most pressing (and most embarrassing) questions on maintaining good health during your global travels.

Dr. PAUL POTTINGER MD, DTMH, FACP, FIDSA
Dr. Germ
He is a board-certified physician and Director of the Infectious Diseases & Tropical Medicine Clinic at UW Medical Center-Montlake and a Professor in UW School of Medicine’s Department of Medicine, Division of Allergy and Infectious Diseases. He is also Co-Director of UWMC’s Antimicrobial Stewardship Program.
He earned his M.D. at Yale, Internal Medicine training at Colorado, ID Training at UW, and D.T.M.&H. at the London School of Hygiene and Tropical Medicine.
He has received the Beeson Housestaff Teaching Award, UWMC Teamwork Leadership and Caring Award, Outstanding CME Teacher of the Year Award and UW Chief of Medicine Service Award.
Dr. Chris Sanford MD, MPH, DTM&H
Dr. Worm
Dr. Chris Sanford is a family medicine physician with a love of travel and a passion for helping others to stay healthy abroad. Through his entertaining videos & podcasts, blogs, and books, he helps travelers demystify the complexities of travel and tropical medicine so you can visit anywhere from the lush jungles of South America to the Sahara desert, all in good health. Doctor Travel is a prolific author and editor of books on travel medicine. He’s worked in clinical settings in the Peruvian Amazon, Uganda, and Ethiopia.
For 15 years he served as a Medical Officer on a U.S. federal disaster response team. His deployments included New Orleans following Hurricane Katrina in 2005 and Port-au-Prince, Haiti, after the 2010 earthquake. When he’s not traveling, Doctor Travel is based in Seattle where he teaches at the University of Washington’s Departments of Family Medicine and Global Health.








