Allan-Herndon-Dudley syndrome appears to be a rare disorder. About 25 families with individuals affected by this condition have been reported worldwide.
How many people are affected by Allan-Herndon-Dudley syndrome ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by Allan-Herndon-Dudley syndrome ? [/INST] \n Allan-Herndon-Dudley syndrome appears to be a rare disorder. About 25 families with individuals affected by this condition have been reported worldwide.</s>