Influence of Marek's disease virus strain AC-1 on cellular immunity in birds carrying endogenous viral genes.

Abstract

The effects of Marek's disease virus (MDV) strain AC-1 on humoral and cellular immune responses were investigated in two lines of chickens segregating for the endogenous viral (ev) genes ev-6 and ev-12. All birds were vaccinated at 14 days of age against Newcastle disease virus (NDV). At 3 wk of age, 48 birds per line received an intraperitoneal injection… (More)

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