Yan F, Zhao Y, Hu Y, Qiu J, Lei W, Ji W, Li X, Wu Q, Shi X, Li Z
The protective efficacy of DNA plasmids encoding avian infectious bronchitis virus (IBV) S1, N, or M protein was investigated in chickens. Chickens were inoculated monovalently (with plasmid pVAX1-16S1, pVAX1-16M, or...