Article
Occurrence of genotypes IV, V, VI and VIIa in Newcastle disease outbreaks in Germany between 1939 and 1995.
Avian pathology : journal of the W.V.P.A - 1 Apr 2003
Wehmann Eniko, Czeglédi Alíz, Werner Ortrud, Kaleta E F, Lomniczi B
Abstract excerpt
Forty-five velogenic Newcastle disease virus strains isolated in Germany between 1939 and 1995 were analysed by restriction enzyme digestion and sequencing to shed light on the relationships of past epizootics. Viruses derived from the period prior to 1970 belonged to a clade (IVea) of genotype IV comprising the earliest isolates from Europe, and could be isolated until the late seventies from poultry....
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