Progressive multifocal leukoencephalopathy (PML) is a rare brain infection that affects the substance in your brain that protects nerve cells. PML gets worse over time and may lead to neurological disabilities.

Mar 12, 2026 · Progressive multifocal leukoencephalopathy (PML) is a disease of the white matter of the brain, caused by a virus infection (polyomavirus JC) that targets cells that make myelin—the material …

Progressive multifocal leukoencephalopathy (PML) is a rare and often fatal viral disease characterized by progressive damage or inflammation of the white matter of the brain at multiple locations. It is …

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Aug 26, 2024 · Learn about progressive multifocal leukoencephalopathy (PML), its symptoms, causes, and treatments. Understand how this disease impacts the brain's white matter.

Jan 29, 2026 · Progressive multifocal leukoencephalopathy (PML) is a rare, often fatal demyelinating disease of the central nervous system that occurs almost exclusively in immunosuppressed …

Progressive multifocal leukoencephalopathy results from infection by the JC virus. The JC virus is often acquired during childhood. Most adults have been infected with the JC virus but do not develop the …

Progressive multifocal leukoencephalopathy, or PML, is a rare, life-threatening infectious disease of the brain. PML is caused by the reactivation of a common virus, polyomavirus JC, that infects and …

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Feb 4, 2020 · What is the PML virus? PML stands for progressive multifocal leukoencephalopathy. It’s an aggressive viral disease of the central nervous system. The virus attacks cells that make myelin.