TABLE 1.

H6 influenza viruses that bind to human-like receptors^a

Location isolated	H6N2		H6N6
	No. of strains tested	No. of strains binding to α-2,6-linked sialic acid	No. of strains tested	No. of strains binding to α-2,6-linked sialic acid
Guangdong	110	25	27	23
Guangxi	14	1	11	10
Fujian	14	1	12	0
Hunan	33	6	9	6
Hubei	12	6	7	6
Zhejiang	4	0	4	3
Total	187	39	70	48

^aViruses were identified by using a hemagglutination assay with chicken red blood cells resialylated with α-2,6-glycans.