, A/ShanTou/602/06 (H3N2, ST602), A/ShanTou/364/05 (H3N2, ST364), A
, A/ShanTou/602/06 (H3N2, ST602), A/ShanTou/364/05 (H3N2, ST364), A/Quail/HongKong/G1/97 (H9N2, HKG1), A/Chicken/Guangdong/A1/03 (H9N2, GDA1) and A/Chicken/Guangdong/1/05 (H5N1, GD105) determined by the SRB strategy making use of CPE reduction. OD value was…