Rare Disease Day at NIH — Feb. 27, 2017

Rare Disease Day at NIH, Feb. 27, 2017, #RDDľ¹ÏÖ±²¥

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 at NIH, Feb. 27, 2017, and .

Visit  for more about NIH efforts to speed the development of treatments for rare diseases.

This page last reviewed on January 18, 2017