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. 2006 Oct 30;103(45):16936–16941. doi: 10.1073/pnas.0608157103

Table 2.

Summary of serological analysis of chicken serum collected in southern China from April to November 2006 against H5N1 influenza viruses from different sublineages

Virus Sublineage NI titer range
< 20–40 80–160 ≥320
Dk/FJ/1734/05 FJ-like 30 25 18  3
Ck/GY/3570/05 GY2  9 16 35 16
Dk/YN/4400/05 YN2  4 14 41 17

Virus sublineages were defined by phylogenetic analysis of the HA gene (Fig. 3). <, lowest dilution tested (1:20); NI, neutralizing inhibition.