Table 3.

Case:Carrier ratios in the UK

Age group (yrs)	VT	NVT	NVT/VT
0	0.00018	0.00033	1.85
1-4	0.00005	0.00005	0.90
5-14	0.00001	0.00001	1.77
15-24	0.00001	0.00002	2.48
25-44	0.00002	0.00007	3.62
45-64	0.00006	0.00017	2.81
65-74	0.00012	0.00029	2.30
75+	0.00039	0.00064	1.67

Age-specific Case:Carrier ratios for vaccine and non-vaccine serotypes by age groups in the UK