Jul 19, 2024 · 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 …

May 16, 2025 · 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 …

Dec 1, 2025 · Learn more about Massachusetts's Paid Family and Medical Leave (PFML), including how to apply, leave benefits, and approval timelines.

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

Sep 13, 2025 · Progressive multifocal leukoencephalopathy (PML) is a demyelinating disease which results from the reactivation of John Cunningham virus (JC virus) infecting oligodendrocytes in …

Jul 29, 2025 · 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, 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 …

Dec 9, 2025 · PML is a rare and serious brain infection. Discover how immune suppression allows a common virus to cause demyelination and learn current treatment approaches.

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 …

PML is a demyelinating disease, in which the myelin sheath covering the axons of nerve cells is gradually destroyed, impairing the transmission of nerve impulses.