Multiple choice

Which virus causes Progressive Multifocal Leukoencephalopathy?

  1. BK virus

  2. JC virus

  3. TBE virus

  4. B19 virus
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Progressive Multifocal Leukoencephalopathy (PML) is a disease of the white matter of the brain, caused by JC (John Cunningham) virus infection that targets cells that make myelin - the material that insulates nerve cells (neurons).

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