From: Dynamic models of pneumococcal carriage and the impact of the Heptavalent Pneumococcal Conjugate Vaccine on invasive pneumococcal disease
Age group (yrs)
VT
NVT
NVT/VT
0
0.00018
0.00033
1.85
1-4
0.00005
0.90
5-14
0.00001
1.77
15-24
0.00002
2.48
25-44
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