Xeroderma pigmentosum is a rare disorder; it is estimated to affect about 1 in 1 million people in the United States and Europe. The condition is more common in Japan, North Africa, and the Middle East.
How many people are affected by xeroderma pigmentosum ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by xeroderma pigmentosum ? [/INST] \n Xeroderma pigmentosum is a rare disorder; it is estimated to affect about 1 in 1 million people in the United States and Europe. The condition is more common in Japan, North Africa, and the Middle East.</s>