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Table 5 Cross-reactivity (HI-determined titers) of the H9N2 AIVs with sera against represented strains

From: Phylogenetic and antigenic characterization of reassortant H9N2 avian influenza viruses isolated from wild waterfowl in the East Dongting Lake wetland in 2011–2012

Virus Ferret antisera against H9N2 AIV
Ck/BJ G9 G1 HK/1073 NT101 DE/249 C2148 PC2539
Ck/BJ 640 160 <10 80 160 <10 320 160
G9 640 1280 40 80 1280 160 320 160
G1 <10 <10 2560 640 <10 <10 <10 <10
HK/1073 40 <10 1280 1280 <10 20 160 40
NT101 640 2560 160 160 1280 320 640 160
DE/249 <10 <10 <10 <10 <10 80 <10 <10
C2148 <10 <10 <10 <10 <10 <10 1280 160
PC2539 <10 <10 <10 <10 <10 <10 1280 320
  1. Homologous titers are bold.