Number of hospital admissions for fever pre-4CMenB and post-4CMenB vaccine introduction
| Pre-4CMenB (September 2014 to August 2015) | Post-4CMenB (September 2015 to June 2016) | |
| Risk period | No of cases | |
| 0 (observation) | 625 | 606 |
| 1 (dose 1) | 27 | 95 |
| 3 (dose 2) | 3 | 14 |
| 5 (dose 3) | 15 | 50 |
| Total | 670 | 765 |
4CMenB, 4 component Meningococcal B.