TABLE 1.
Distribution of causative agents of bacterial meningitis and meningococcal serogroups during 2015 to 2018 in Turkey
| Causative bacterial species or serogroup |
Value for samples collected during surveillance period: |
|||
|---|---|---|---|---|
| 2015–2016 |
2017–2018 |
|||
| n | % | n | % | |
| Neisseria meningitidis | 36 | 73.5 | 53 | 69.7 |
| Serogroup W | 5 | 13.9 | 4 | 7.5 |
| Serogroup B | 16 | 44.4 | 29 | 54.7 |
| Serogroup A | 1 | 2.8 | 2 | 3.8 |
| Serogroup C | 0 | 0 | 0 | 0 |
| Serogroup Y | 1 | 2.8 | 1 | 1.9 |
| Serogroup X | 1 | 2.8 | 1 | 1.9 |
| Nongroupable | 12 | 33.3 | 16 | 30.2 |
| Streptococcus pneumoniae | 12 | 24.5 | 21 | 27.6 |
| Haemophilus influenzae type b | 1 | 2 | 2 | 2.6 |
| Total | 49 | 100 | 76 | 100 |