Article
Classification of Marek's disease viruses according to pathotype: philosophy and methodology.
Avian pathology : journal of the W.V.P.A - 1 Apr 2005
Witter R L, Calnek B W, Buscaglia C, Gimeno I M, Schat K A
Abstract excerpt
The concept of pathotype in Marek's disease (MD) probably dates from the recognition of a more virulent form of the disease in the late 1950s (Benton & Cover, 1957). Distinctions between MD virus strains were further expanded with the description of the vv pathotype in the early 1980s and of the vv+ pathotype in the 1990s. Pathotype designations reflect important biological properties that correlate with the...
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