الشروق التونسية
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An international team led by scientists from the University of Dublin has discovered traces of sheep pox virus DNA in historical manuscripts dating back around a thousand years, including the York Gospel. The finding provides evidence that the virus was circulating among European flocks before modern times. The researchers also found the oldest known genetic evidence of the virus in the teeth of Bronze Age sheep. Comparisons showed that it had infected livestock more than 3,700 years ago and had remained remarkably genetically stable. The researchers believe these findings could help us understand how the virus evolved and spread, and improve efforts to control it.
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