Alternating hemiplegia of childhood is a rare condition that affects approximately 1 in 1 million people.
How many people are affected by alternating hemiplegia of childhood ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by alternating hemiplegia of childhood ? [/INST] \n Alternating hemiplegia of childhood is a rare condition that affects approximately 1 in 1 million people.</s>