Slow Viruses - Research Article from World of Genetics

This encyclopedia article consists of approximately 4 pages of information about Slow Viruses.
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Historically, the term "slow virus infections" was coined for a poorly defined group of seemingly viral diseases which were later found to be caused by several quite different conventional viruses, also unconventional infectious agents. They nevertheless shared the properties of causing diseases with long incubation periods and a protracted course of illness, affecting largely the central nervous and/or the lymph system and usually culminating in death. The slow virus concept was first introduced by the Icelandic physician Bjorn Sigurdsson (1913-1959) in 1954. He and his co-workers had made pioneering studies on slow diseases in sheep including maedi-visna and scrapie. Maedi is a slowly progressive interstitial pneumonia of adult sheep while visna is a slow, progressive encephalomyelitis and the same virus, belonging, to the lentivirus subgroup of retroviruses, was found to be responsible for both conditions.

Since the original isolation of the maedi-visna virus, concern with and...

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This section contains 1,112 words
(approx. 4 pages at 300 words per page)
Buy the Slow Viruses Encyclopedia Article
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Slow Viruses from Gale. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.
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