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. 1972 Sep;24(3):299–306. doi: 10.1128/am.24.3.299-306.1972

Isolation and Characterization of an Isolate (HN) of Marek's Disease Virus with Low Pathogenicity

B R Cho 1,2, S G Kenzy 1,2
PMCID: PMC376514  PMID: 4627960

Abstract

A cytopathic agent was isolated and characterized as an isolate of Marek's disease herpesvirus (MDHV) with low pathogenicity, and referred to as the HN isolate. This isolate of MDHV did not cause clinical Marek's disease (MD) or death in a highly susceptible line of chickens within 5 weeks after exposure. Gross lesions of limited extent were noted in a few of the inoculated birds. Microscopic nerve lesions in the inoculated and contact-infected birds were invariably minimal, closely resembling C-type MD lesions.

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Selected References

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