Table 3. Adjusted RSV incidence (/1000 cyo) by age group and severity of associated disease, in a birth cohort from Kilifi District , Kenya.

		LRTI				Severe-LRTI			Admitted
Age class (months)	cyoa	Proportion epidemicb	Incidence	95%CLc		Incidence	95%CL		Incidence	95%CL
0-5	274	0.40	147	102	212	86	55	132	20	6	64
6-11	288	0.51	63	36	111	47	23	93	6	1	45
12-17	256	0.31	88	50	156	29	12	70	13	2	64
18-23	244	0.49	59	33	104	11	4	33	3	0	27
24-30	126	0.48	88	47	165	28	10	80	6	1	23
All age	1187	0.44	90	74	108	43	32	56	10	5	21

^achild years of observation

^bproportion of observation time during RSV epidemics

^cConfidence Limits.