Skip to main content
. 2017 Oct 7;79(11):1815–1821. doi: 10.1292/jvms.17-0312

Table 2. The cross-reactivity of H2 influenza viruses with chicken antisera to representative strains of each lineage in HI test.

Lineages Clusters Viruses HI titers of the antisera
Dk/HK/78 Sing/57 Pin/SMN/81 Dk/Hok/13 Mal/ALB/84 Dk/AK/94 Swine/MO/06
Eurasian 1 Dk/HK/78 (H2N9) 320 2,560 640 320 640 2,560 640
2 (Human) Sing/57 (H2N2) 640 5,120 1,280 640 2,560 2,560 640
3 Pin/SMN/81 (H2N3) 40 2,560 320 160 320 1,280 320
4 Dk/Hok/13 (H2N1) 320 2,560 640 640 1,280 1,280 640
North American Mal/ALB/84 (H2N5) 320 1,280 640 320 1,280 2,560 1,280
Dk/AK/94 (H2N3) 320 2,560 320 320 640 2,560 1,280
(Swine) Swine/MO/06 (H2N3) 640 2,560 1,280 640 5,120 2,560 2,560

Homologous titers are underlined. Abbreviations: Dk/HK/78, A/duck/Hong Kong/278/1978 (H2N9); Sing/57, A/Singapore/1/1957 (H2N2); Pin/SMN/81, A/pintail/Shimane/1086/1981 (H2N3); Dk/Hok/13, A/duck/Hokkaido/162/2013 (H2N1); Mal/ALB/84, A/mallard/Alberta/884/1984 (H2N5); Dk/AK/94, A/duck/Alaska/5111/1994 (H2N3); Swine/MO/06, A/swine/Missouri/2124514/2006 (H2N3).