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About RDHK
Our Members
Numbers of Members
（As of 25 November 2025）
Total Members:
998
Full Members:
863
Individual:
854
Organizational:
9
Ordinary Members:
135
Types of rare diseases:
260
Rare disease
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238
Usher Syndrome (尤塞氏綜合症) / Retinal Degeneration
**The above types of diseases were provided by patients or their families at the time of membership registration.
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