WATCH: World Sanfilippo Awareness Day
This global campaign brings public awareness and attention to Sanfilippo Syndrome, a rare, terminal genetic disorder that causes dementia in children for which there is currently no cure.

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WATCH: World Sanfilippo Awareness Day (opens ABC News in a new tab)
This global campaign brings public awareness and attention to Sanfilippo Syndrome, a rare, terminal genetic disorder that causes dementia in children for which there is currently no cure.

