Table 2.

HI antibody titers in antisera against H5N1 viruses.

		HI titers of anti-influenza seraa
		α-VN30259				α-Indo3006				α-Mongolia4				α-VN30850
Virus	Clade	mouse				mouse				mouse				mouse
		1	2	3	4	1	2	3	4	1	2	3	4	1	2	3	4
VN30259	1	64	512	512	256	<16	16	32	32	<16	<16	<16	<16	<16	<16	<16	<16
Indo3006	2.1	<16	<16	<16	<16	256	128	256	256	64	16	64	128	<16	<16	<16	<16
Mongolia4	2.2	<16	128	<16	16	128	128	128	128	128	256	128	128	<16	32	<16	<16
VN30850	2.3.4	<16	<16	<16	<16	<16	<16	<16	<16	<16	<16	<16	<16	64	64	128	256

^aHomologous HI titers are indicated in bold face.