summary: It is thought that MS is caused by a complex interaction between genetic predisposition and environmental factors, possibly such as viruses. In this study from Mexico, the authors identified the virus which usually causes chicken pox and shingles in the spinal fluid of people with MS during relapses. They hypothesize that it may be involved in the pathogenesis of MS.

authors: Sotelo J, Martínez-Palomo A, Ordoñez G, Pineda B.

source: Ann Neurol. 2008 Feb 27 [Epub ahead of print]

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