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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: J Virol Methods. 2015 Feb 21;217:55–63. doi: 10.1016/j.jviromet.2015.02.014

Table 3.

NI titers of A(H7N2) antisera against A(H3N2) viruses.

N2 antigens Subtype A(H7N2) antisera
NL/57 NL/68 BI/68 BI/72 BI/76 NL/82 NL/92 NL/95 NL/03 NL/09
NL/57 H2N2 ≥10,240 2560 >10,240 40 80 <20 20 <20 <20 <20
NL/68 H2N2 10,240 ≥10,240 >10,240 40 80 <20 160 320 <20 <20
BI/68 H3N2 5120 >10,240 ≥10,240 160 160 20 80 320 40 <20
BI/72 H3N2 80 1280 20 5120 5120 320 320 160 20 <20
BI/76 H3N2 40 640 20 2560 5120 160 160 80 <20 <20
NL/82 H3N2 <20 <20 <20 40 160 320 160 <20 <20 <20
NL/92 H3N2 <20 <20 <20 40 80 320 1280 320 <20 <20
NL/95 H3N2 <20 80 20 <20 40 <20 40 2560 160 <20
NL/03 H3N2 <20 40 20 20 <20 <20 20 160 640 <20
NL/09 H3N2 <20 40 40 20 20 <20 640 640 2560 5120

The top row represents the various A(H7N2) antisera and the left column shows the N2 antigens, both ordered chronologically. N2-homologous NI titers are underscored and depicted in bold.