OverviewDifferent areas of the world have different diseases and different prevalence rates of diseases. Travelers going to foreign countries may encounter diseases to which they have no natural immunity and should take any possible precautions.
Update Date 2/25/2012
Updated by: David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc., and David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine.