# JC virus

> English word · Noun

## Definitions
1. A human double-stranded DNA virus of the species JC polyomavirus, causing progressive multifocal leukoencephalopathy and other diseases in immunodeficient patients.

## Etymology
After the patient, John Cunningham, in whom ZuRhein and Chou identified this virus in 1965 by electron microscopy.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/jc-virus