Article
Genetic comparisons between lentogenic Newcastle disease virus isolated from waterfowl and velogenic variants.
Virus genes - 1 Apr 2010
Tsunekuni Ryota, Ito Hiroshi, Otsuki Koichi, Kida Hiroshi, Ito Toshihiro
Abstract excerpt
Avirulent Newcastle disease viruses (NDV) harbored by waterfowl have the potential to become virulent after transmission to and circulation within chicken populations. In order to investigate how virulent viruses are selected from an avirulent background, we compared the complete sequences of the avirulent NDV isolate Goose/Alaska/415/91 and its virulent variant strain 9a5b, which was obtained by nine and five...
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