From: Pneumococcal colonization and carriage
Age (mo)
1
2
4
6
7
n
87
78
75
64
63
Any OM (tympanometry)
67%
60%
80%
95%
89%
TMP (otoscopy)
nd
8%
21%
13%
Spn carriage
NTHi carriage
55%
57%
66%
68%
63%
76%