| Dead Cases | Number of Cases | Number of Hospitalization | Lethality (%) | Mortality (‰) |
Before Hib + Pneumo Vaccines | 76 | 183 | 8847 | 41.5 | 8.6 |
After Hib + Pneumo Vaccines | 19 | 36 | 2227 | 52.8 | 8.5 |
Accumulated Staff | 95 | 219 | 11,074 | 43.4 | 8.6 |