Chicken ID No Serum HI titersa w 0 w 2 w 4 w 6 w 7 Immunized Chickens #55 <2 4 32 64 64 #56 <2 4 16 64 64 #57 <2 4 16 32 32 Non- Immunized Chickens #58 <2 <2 <2 <2 <2 #59 <2 <2 <2 <2 <2 #60 <2 <2 <2 <2 <2 aBlood samples were collected at 0, 2, 4, 6, and 7 weeks after initial inoculation

Table 1: HI titer of serum samples obtained from vaccinated chickens with HANA-M1 Vlp.