Deletion of the meq gene significantly decreases immunosuppression in chickens caused by pathogenic marek's disease virus

Table 2 The pathogenicity of bac-GX0101 and GX0101ΔMeq in chickens

Virus	Mortality due to MD (%)	MD-specific tumors (%)	MD-specific lesions (%)
bac-GX0101	60	25	100
GX0101ΔMeq	0	0	0
Control	0	0	0

All chickens were inoculated with 1000 PFU of the indicated virus by a subcutaneous route.

ISSN: 1743-422X