Genetic diversity and C2-like subgenogroup strains of enterovirus 71, Taiwan, 2008

Table 3 Serum neutralization antibody titers against different subgenogroups of enterovirus 71 (EV-71)

Antisera no.	Subgenogroup of EV-71 infection	Sampling period (days post infection)*		EV-71 strain
				97111207 (C2) *	E2004104 (C4) *	E2006125 (C5) *	E2002042 (B4) *	E2007599 (B5) *	C2-like
1	B4	AP	(6)	1,024	1,024	1,024	1,024	2,048	16
		RP	(32)	1,024	1,024	1,024	1,024	2,048	64
2	C4	AP	(5)	64	1,024	256	1,024	512	32
		RP	(13)	512	1,024	1,024	1,024	4,096	64
3	C5	AP	(5)	1,024	2,048	2,048	1,024	1,024	64
		RP	(16)	1,024	1,024	4,096	2,048	512	256
4	C5	AP	(4)	256	512	1,024	2,048	2,048	16
		RP	(16)	256	1,024	1,024	1,024	1,024	32
5	C4	AP	(4)	128	1,024	512	2,048	2,048	8
		RP	(17)	512	4,096	2,048	16,384	16,384	128
6	B5	AP	(6)	256	512	512	512	1,024	32
		RP	(27)	2,048	4,096	2,048	4,096	4,096	256
7	B5	AP	(7)	64	32	32	64	64	<8
		RP	(22)	128	128	256	512	1,024	64
8	B5	AP	(3)	8	32	16	64	128	<8
		RP	(15)	1,024	8,192	4,096	4,096	4,096	64
9	B5	AP	(4)	32	64	64	64	32	16
		RP	(39)	128	128	256	512	256	64
10	B5	AP	(4)	1,024	512	512	512	1,024	64
		RP	(23)	512	256	256	1,024	512	64
11	B5	AP	(4)	128	512	256	256	1,024	32
		RP	(16)	2,048	8,192	4,096	4,096	8,192	256

* Statistically significant difference in log₁₀-transformed data when compared to subgenogroup C2-like group (p < 0.05). AP: acute phase; RP: recovery phase.

ISSN: 1743-422X