Jervell and Lange-Nielsen syndrome is uncommon; it affects an estimated 1.6 to 6 per 1 million people worldwide. This condition has a higher prevalence in Denmark, where it affects at least 1 in 200,000 people.
How many people are affected by Jervell and Lange-Nielsen syndrome ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by Jervell and Lange-Nielsen syndrome ? [/INST] \n Jervell and Lange-Nielsen syndrome is uncommon; it affects an estimated 1.6 to 6 per 1 million people worldwide. This condition has a higher prevalence in Denmark, where it affects at least 1 in 200,000 people.</s>