Article
Evidence of natural recombination within the S1 gene of infectious bronchitis virus.
Virology - 1 Feb 1993
Wang L, Junker D, Collisson E W
Abstract excerpt
During an outbreak of severe respiratory disease, a field strain of infectious bronchitis virus (IBV), PP14, was isolated from a bird in a Texas flock that had been previously vaccinated with an attenuated Mass serotype virus. After cloning and sequencing the S1 gene from several IBV strains, it was found that the 5' end of the cDNA was 96% identical to the published sequences of Mass41 and 77% identical with...
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