| Vaccine | Cases | Person year | Incidence | % Reduction |
| No vaccine | 9 | 158 | 5679 |
|
| 1 dose | 17 | 961 | 1768 | 68.9 |
| 2 doses | 31 | 2583 | 1200 | 78.9 |
| 3 doses | 50 | 5714 | 875 | 84.6 |