Table 1.
Suspected and probable meningitis cases from case-based meningitis surveillance, MenAfriNet, 2015–2017
| Burkina Faso | Chada | Malia | Niger | Togo | Total | |
|---|---|---|---|---|---|---|
| N (%) | ||||||
| Suspected meningitis cases | 8,362 | 166 | 495 | 8,413 | 826 | 18,262 |
| Age groupb | ||||||
| <1 years | 1,427 (17) | 46 (31) | 142 (29) | 633 (8) | 116 (14) | 2,364 (13) |
| 1–4 years | 2,783 (33) | 41 (28) | 164 (34) | 1,606 (20) | 104 (13) | 4,698 (26) |
| 5–9 years | 1,539 (18) | 23 (16) | 64 (13) | 1,619 (20) | 135 (16) | 3,380 (19) |
| 10–14 years | 1,059 (13) | 11 (7) | 52 (11) | 1,561 (19) | 132 (16) | 2,815 (16) |
| 15–29 years | 883 (11) | 12 (8) | 39 (8) | 1,910 (24) | 152 (18) | 2,996 (17) |
| ≥30 years | 652 (8) | 15 (10) | 26 (5) | 785 (10) | 184 (22) | 1,662 (9) |
| Sexc | ||||||
| Female | 3,753 (45) | 69 (43) | 215 (43) | 3,731 (45) | 399 (48) | 8,167 (45) |
| Male | 4,605 (55) | 91 (57) | 280 (57) | 4,625 (55) | 424 (52) | 10,025 (55) |
| Reported deathsd | 772 (9) | NR | 23 (5) | 269 (8) | 31 (4) | 1,095 (8) |
| Probable bacterial meningitis casese | 3,598 (44) | 71 (43) | 202 (41) | 1,945 (27) | 374 (47) | 6,190 (37) |
| Population under surveillance (2017) | 19,632,147 | 811,414 | 4,027,829 | 7,347,840 | 963,411 | 32,782,641 |
Abbreviations: NR, not reported.
a
As Mali began data collection in 2015 and 2016 was the first complete year of surveillance, only 2016–2017 data are included. Similarly, only 2017 data from Chad are included.
b
347 cases are missing age: 19 in Burkina Faso, 18 in Chad, 8 in Mali, 299 in Niger, and 3 in Togo.
c
70 cases are missing sex: 4 in Burkina Faso, 6 in Chad, 57 in Niger, and 3 in Togo.
d
Percentage calculated using the number of cases with a reported outcome (n=12,920, 71%) as the denominator.
e
Percentage calculated using the number of suspected cases with a CSF specimen (n=16,885, 92%) as the denominator.