Slow virus E malattie croniche del sistema nervoso centrale.

The purpose of this report was to detect whether some subacute or chronic human neurological diseases are significantly associated with traditional virus like papovavirus and paramixovirus and non conventional agents (scrapie-like) or non classified (multiple sclerosis associated agent or MSAA). In this connection for M.S. the data concerning the ethiological factors paramixovirus or MSSA are presented and discussed and it is hypothesized the virus mechanism in the pathogenesis of M.S.