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A rare disease is technically defined (in the European Union) as a disease that is found in fewer than 5 people per every 10,000 people.
Wikimedia Commons has media related to Rare diseases.
 | Pages in this category should be moved to subcategories where applicable. This category may require frequent maintenance to avoid becoming too large. It should directly contain very few, if any, pages and should mainly contain subcategories. |
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