The prevalence of congenital contractural arachnodactyly is estimated to be less than 1 in 10,000 worldwide.
How many people are affected by congenital contractural arachnodactyly ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by congenital contractural arachnodactyly ? [/INST] \n The prevalence of congenital contractural arachnodactyly is estimated to be less than 1 in 10,000 worldwide.</s>