Incidence of Infection of Enterovirus 71 and Coxsackieviruses A6 and A16 among Household Contacts of Index Cases in Dong Thap Province, Southern Vietnam

Table 2

Age-dependent incidences of EV-A71, CV-A6, and CV-A16 infection among household contacts.

Age group	EV-A71			CV-A6			CV-A16
	Infected	Members	%	Infected	Members	%	Infected	Members	%
<5	1	4	25	2	12	17	0	5	0
5-9	1	3	33	9	21	43	2	2	100
10-14	1	4	25	5	12	42	2	4	50
15-19	2	£	—	3	14	21	0	4	0
20-24	9	9	100	13	39	33	8	12	67
25-29	6	12	50	16	60	27	8	27	30
30-34	6	14	43	19	54	35	3	12	25
35-39	2	7	29	5	19	26	1	7	14
40-44	0	2	0	6	13	46	0	4	0
45-49	2	6	33	2	19	11	1	3	33
50-54	6	9	67	8	21	38	5	8	63
55-59	2	4	50	7	20	35	3	6	50
>60	2	10	20	11	32	34	3	13	23

£: index case was not infected with EV-A71.