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Table 3 Streptococcus pneumoniae (Sp) meningitis incidence rates (per 100,000 per year) by age group and country [4, 5, 7–9]; Neisseria meningitidis meningitis incidences were available from Burkina Faso, Senegal, and Niger and summary means are presented for comparison.

From: African meningitis belt pneumococcal disease epidemiology indicates a need for an effective serotype 1 containing vaccine, including for older children and adults

Age (yrs)

Burkina Faso

Senegal

Ghana*

Niger*

Mean† for Sp

Mean† for Nm‡

<1

77

95

42

150

98

24

1 to 4

14

17

19

10

14

20

5 to 9

13

4.5

25

6.4

9.1

19

10 to 14

10

3.7

 

6.9

7.8

17

15 to 19

11

2.4

20

9

7.8

11

20 to 29

6.1

4.0

 

4.7

5.8

5.0

30 to 39

14.1

5.2

18

3.2

8.6

3.3

40 to 49

19.1

7.8

 

7.9

12

2.8

50 to 59

8.0

11

  

9.7

3.3

60+

8.1

15

25

 

10

2.8

  1. *Not all studies reported age groups at the detail shown in column 1. The incidences in Ghana for persons age 5 to 19, 15 to 29, and 30 to 59 years and in Niger for persons 40+ years were 25, 20, 18, and 7.9 per 100,000 persons per year, respectively.
  2. †Weighted mean based on population under surveillance. Where data were not available from a study site for a specific age group, the next oldest age group was used in the calculation of the weighted mean.
  3. ‡ Nm = Neisseria meningitidis. For comparison, data on Nm are presented for the same surveillance periods and sites except for Ghana, which did not report these data.