Supplemental Table S2. Antigenic analysis of influenza A (H9N2) viruses with postinfection ferret antisera HI titer with postinfection ferret antiserum to H9N2 virusesa chicken/ guinea North chicken/ chicken/ swine/ duck/ HK/ chicken/ fowl/ HK/ HK/ chicken/ quail/ Clade Influenza Virus Amer. Beijing HK/G9 HK Nanchang TP38 Nanchang HK 33982 1073 Dubai Bangl North Amer. shorebird/DE 80 < < < < < < < < < < < Beijing chicken/Beijing 10 160 20 40 < 40 20 20 < 20 20 < chicken/HK/G9 320 1280 2560 1280 2560 2560 2560 2560 80 160 1280 320 40 160 160 160 40 160 160 160 < 40 40 10 duck/Nanchang 160 640 1280 640 1280 1280 1280 2560 40 160 640 160 Y280 chicken/HK/TP38 160 320 640 320 320 1280 640 1280 20 160 320 80 chicken/Nanchang 320 640 1280 640 1280 1280 1280 1280 40 160 640 80 guinea fowl/HK 1280 10,240 20,480 2560 2560 10,240 5120 20,480 10,240 20,480 20,480 5120 HK/33982 20 40 < 10 10 < < < 1280 160 40 20 HK/1073 40 20 10 40 20 10 20 10 320 1280 80 80 G1 chicken/Dubai 80 320 320 160 160 160 320 320 40 160 2560 160 quail/Bangl 20 80 40 40 10 20 40 20 20 160 160 1280 a HI assays were performed with 0.5% chicken red cells. Titers are the reciprocal lowest dilutions of antibodies that inhibited HA by 4 HAUs of virus. bUnderlined values are titers of homologous virus. c The (<) symbol indicates that the HI titer was less than 1:10.
Supplemental Table S2. Antigenic analysis of influenza A (H9N2) viruses with postinfection ferret antisera HI titer with postinfection ferret antiserum to H9N2 virusesa Clade Influenza Virus North Amer. chicken/ Beijing chicken/ HK/G9 swine/ HK duck/ Nanchang chicken/ HK/ TP38 chicken/ Nanchang guinea fowl/ HK HK/ 33982 HK/ 1073 chicken/ Dubai quail/ Bangl North Amer. shorebird/DE 80 < < < < < < < < < < < Beijing chicken/Beijing 10 160 20 40 < 40 20 20 < 20 20 < Y280 chicken/HK/G9 320 1280 2560 1280 2560 2560 2560 2560 80 160 1280 320 40 160 160 160 40 160 160 160 < 40 40 10 duck/Nanchang 160 640 1280 640 1280 1280 1280 2560 40 160 640 160 chicken/HK/TP38 160 320 640 320 320 1280 640 1280 20 160 320 80 chicken/Nanchang 320 640 1280 640 1280 1280 1280 1280 40 160 640 80 guinea fowl/HK 1280 10,240 20,480 2560 2560 10,240 5120 20,480 10,240 20,480 20,480 5120 G1 HK/33982 20 40 < 10 10 < < < 1280 160 40 20 HK/1073 40 20 10 40 20 10 20 10 320 1280 80 80 chicken/Dubai 80 320 320 160 160 160 320 320 40 160 2560 160 quail/Bangl 20 80 40 40 10 20 40 20 20 160 160 1280 a HI assays were performed with 0.5% chicken red cells. Titers are the reciprocal lowest dilutions of antibodies that inhibited HA by 4 HAUs of virus. bUnderlined values are titers of homologous virus. c The (<) symbol indicates that the HI titer was less than 1:10.
emi201375x2.docx