The JC virus (JCV) is a type of human polyomavirus and is genetically similar to BK virus. It was discovered in 1971 and named after the two initials of a patient with progressive multifocal leukoencephalopathy (PML). The virus causes PML and other disease in cases of immunodeficiency.
Advice & Tips:
Normally administered as a precautionary discovery due to the potentially life threatening aspect (PML) of the JC virus when taking or considering taking Tysabri. I only did this to discover if I had the JC virus antibody. It may have meant I had PML instead of MS.
< $25 monthly
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