Answering a medical mystery: Why are vaccines less effective in the developing world?

(University of Minnesota Medical School) It's a question that has challenged scientists and physicians for years: why do vaccines work better in some parts of the world than in others? A new study, led in part by University of Minnesota Medical School researcher Tim Schacker, M.D., contributes to knowledge about why vaccines given in the developing world often are less effective than in the developed world.
Source: EurekAlert! - Infectious and Emerging Diseases - Category: Infectious Diseases Source Type: news