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How common is progressive multifocal leukoencephalopathy (PML)?

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About 1 person out of every 200,000 will get PML. That works out to a total of about 4,000 people per year in the United States and Europe combined.

SOURCES:

National Institute of Neurological Disorders and Stroke: "Progressive Multifocal Leukoencephalopathy."

National Organization for Rare Disorders: "Progressive Multifocal Leukoencephalopathy."

Fields, R.D. , November 2010. Science

National Multiple Sclerosis Society.

Reviewed by Neil Lava on October 21, 2018

SOURCES:

National Institute of Neurological Disorders and Stroke: "Progressive Multifocal Leukoencephalopathy."

National Organization for Rare Disorders: "Progressive Multifocal Leukoencephalopathy."

Fields, R.D. , November 2010. Science

National Multiple Sclerosis Society.

Reviewed by Neil Lava on October 21, 2018

NEXT QUESTION:

Who is at highest risk for progressive multifocal leukoencephalipathy (PML)?

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