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The number of meningitis cases in Nottingham and Derbyshire counties, U.K. (1999–2001), by type of disease.
| Category | Meningitis type | n | Per cent |
|---|---|---|---|
| 1 | ST-213 complex | 78 | 15.4 |
| 2 | ST-22 complex | 119 | 23.5 |
| 3 | ST-23 complex/cluster A3 | 50 | 9.8 |
| 4 | ST-41/44 complex/lineage 3 | 179 | 35.3 |
| 5 | ST-53 complex | 81 | 16.0 |
| Total | 507 | 100.0 |
