300 million people worldwide living with a rare disease
A rare disease (RD) is generally defined as a disorder that affects one person out of every 2000, which is usually a chronic and progressive medical condition that poses a threat to life compared to common diseases. RD's affect 3,5 to 5,9 % of the world's population, corresponding to almost 50 million people in Africa.
There is not a universal definition of a rare disease and their prevalence differs among countries. The EU and UK define a rare disease as a group of heterogeneous disorders that a...
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