t 7, 14, and 22 dpi (Fig. 6B). No virus was detected in the control group at any time point. Fig. 6 Viral loads at 7, 14, 18, 22, and 26 dpi in the oral and cloacal swabs of chickens infected with the recombinant rH120, rIBYZ, and rH120-S1/YZ stra