Familial porencephaly is a rare condition, although the exact prevalence is unknown. At least eight affected families have been described in the scientific literature.
How many people are affected by familial porencephaly ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by familial porencephaly ? [/INST] \n Familial porencephaly is a rare condition, although the exact prevalence is unknown. At least eight affected families have been described in the scientific literature.</s>