| Literature DB >> 62570 |
R C Chubb, B A Wells, R B Cumming.
Abstract
An infectious bronchitis virus, designated G48, isolated from birds during an outbreak of nephritis in a previously vaccinated broiler flock, overcame the resistance induced in birds vaccinated with 2 commercially available vaccines. Birds vaccinated with the A isolate of infectious bronchitis resisted challenge with this new virus. Cross neutralisation studies revealed that the new virus was serologically distinct from the 4 viruses tested. Homologous antiserum to G48 did not neutralise the other viruses and only antiserum to the A virus completely neutralised the new virus.Entities:
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Year: 1976 PMID: 62570 PMCID: PMC7159751 DOI: 10.1111/j.1751-0813.1976.tb09494.x
Source DB: PubMed Journal: Aust Vet J ISSN: 0005-0423 Impact factor: 1.281