Figure 2From: Deletion of the meq gene significantly decreases immunosuppression in chickens caused by pathogenic marek's disease virusIncidence of mortality in chickens inoculated with bac-GX0101 and GX0101ΔMeq. Chickens were inoculated with 1000 PFU of the indicated viruses when they were one-day-old and maintained in isolation for 13 weeks. Mock-inoculated chickens served as negative controls and weekly mortality was recorded. Chickens that died during the experiment were evaluated for MDV-specific gross lesions.Back to article page