The prevalence of Myasthenia gravis is approximately 70-320 per million and increasing since 20 th century.
Could you provide me with the context so I will be able to give the right rephrased version?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: Could you provide me with the context so I will be able to give the right rephrased version? [/INST] \n The prevalence of Myasthenia gravis is approximately 70-320 per million and increasing since 20 th century.</s>