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Rare Disease Day ar ÐÓ°ÉÊÓƵapp — Feb. 27, 2017
More than 6,500 rare diseases affect humans, of which only a few hundred have any treatment. In total these illnesses affect an estimated 25 million people in the United States.
for Rare Disease Day ar ÐÓ°ÉÊÓƵapp, Feb. 27, 2017, and .
Visit  for more abour ÐÓ°ÉÊÓƵapp efforts to speed the development of treatments for rare diseases.
This page last reviewed on January 18, 2017