Hereditary neuralgic amyotrophy is a rare disorder, but its specific prevalence is unknown. Approximately 200 families affected by the disorder have been identified worldwide.
How many people are affected by hereditary neuralgic amyotrophy ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by hereditary neuralgic amyotrophy ? [/INST] \n Hereditary neuralgic amyotrophy is a rare disorder, but its specific prevalence is unknown. Approximately 200 families affected by the disorder have been identified worldwide.</s>