Below is a link to an interesting article on a Vitiligo conference in Clearwater Florida.
Dr. Christian Krueger, a speaker at the conference and scientist from the Institute for Pigmentary Disorders in Greifswald, Germany, explained that doctors and scientists don't know the specific cause of vitiligo, though it is associated with certain autoimmune diseases. Vitiligo can occur at any age and is not contagious.
http://www.tampabay.com/news/humaninterest/clearwater-conference-puts-focus-on-skin-condition-vitiligo/1179586
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