As to ZHANG Shuyang, vice president of Peking Union Medical College Hospital, by 2020 China will have included 59 types of orphan diseases into its registration system. At present, there are about 7,000 rare diseases recognized internationally, accounting for about 10% of human diseases. About 80% of rare diseases are believed to be due to genetic defects.
China Bio news release, September 11, 2017
China plans to build a rare diseases registration system by 2020