Table 1. Distribution of RSV infection episodes among 179 infected individuals during the 2009/2010 RSV season in a household cohort, coastal Kenya.

Characteristic	Categories	Infected a (n=179)		Episodes b (n=208)		Total AUC c (n=7875.47)
		n	%	n	%	n	%
Age at infection	<1y	31	17.3	35	16.8	2424.1	30.7
	1-<5y	41	22.9	51	24.5	2011.8	25.5
	5-<15y	64	35.8	73	35.1	2241.7	28.4
	15-<40y	35	19.6	40	19.2	854	10.8
	> = 40y	8	4.5	9	4.3	366.9	4.6
Sex	Female	96	53.6	118	56.7	4392.4	55.6
	Male	83	46.4	90	43.3	3506.2	44.4
Symptomatic	No	71	39.7	90	43.3	2145.2	27.2
	Yes	108	60.3	118	56.7	5753.3	72.8
Participant in school d	No	101	56.4	119	57.2	5184.2	65.6
	Yes	78	43.6	89	42.8	2714.4	34.4
Infecting RSV group	RSV A	88	49.2	83	39.9	2838.1	35.9
	RSV B	113	63.1	111	53.4	4170	52.8
	Co-infection	14	7.8	14	6.7	890.5	11.3
Order of the episode in individual	First	152	84.9	179	86.1	7130.3	90.3
	Subsequent	27	15.1	29	13.9	768.3	9.7
Introducer of RSV infection in household	Primary case	57	31.8	70	33.7	2372.7	30
	Others	131	73.2	138	66.4	5525.9	70
Living with smoker in household	No	155	86.6	181	87	7081.2	89.7
	Yes	24	13.4	27	13	817.3	10.3
Household size	< = 5	22	12.3	25	12	992.6	12.6
	6 to 10	52	29.1	61	29.3	2605.3	33
	11 to 15	35	19.6	40	19.2	1360.5	17.2
	>15	70	39.1	82	39.4	2940.1	37.2
Infection with other viruses	Yes	96	53.6	110	52.9	5054.6	64
	No	93	46.4	98	47.1	2844	36
During Household outbreak	Yes	165	92.2	192	92.3	7460.6	94.5
	No	14	7.8	16	7.7	438	5.5

^aNumber of infected individuals; ^bNumber of infection episodes; ^cTotal amount of virus shed (midpoint AUC). ^dIncludes some participants in the age groups 1-<5 years, 5-<15 years, and 15-<40 years only.