TABLE 2 .

Hemagglutination inhibition results against alternative circulating North American avian influenza viruses^a

ID	Titer
	H3N8	H4N6	H5N5	H6N1	H7N3	H7N9b	H8N4	H12N5
1
3					40
11					40
16	40	80	40	160	80		ND	ND
17
18					40
24	40	80	40	160	80		ND	ND
26	40	40	40	160	80		ND	ND
27				80	40		ND	ND
28	40	40		80	40			40
29								40
35
36	320	320	320	640		80	ND	ND
37		40			40		ND	ND
38		40			40			40
41	2,560	1,280	640	1,280	2,560	320	ND	ND
44					40
39					40
40					40		ND	ND
45		40			40
47					40
48		40
49		80		40	40		ND	ND
51		80			40
53					40
54		80		80	40		ND	ND
61		80		80	40		ND	ND
64		80		80	40		ND	ND
65		80		80	40		ND	ND
68					40
70		80		80	40			40
71	40	80		40	40		ND	ND
72	40	80	40	160	40		ND	ND
73		160		40	40		ND	ND
57					40
58					40		40	40
59					40
60
75	40				40
76
77
78
79
80
81					40
83					40
84
85	40				40			40
86		80		40	40			40
87		80
88
89		80
90		80
91
92
93
94
95					40			40
96
Reference serac	2,560	>5,120	2,560	1,280	>5,120	640	40	80
GMTd (95% CI)	74.64 (27.35–203.7)	82.34 (59.98–113.1)	89.80 (23.63–341.2)	106.4 (65.27–173.5)	47.35 (37.47–59.82)	160.0	40	40

^aPositive HAI titers are considered ≥1:40, and no value indicates an HAI titer of <40. ND, not determined.

^bRecently identified A/Anhui/1/2013 (H7N9).

^cSee Materials and Methods for the reference sera used in these assays.

^dGMT, geometric mean titer.