Vaccine | Cases | Person year | Incidence | % Reduction |
No vaccine | 12 | 209 | 5742 |
|
1 dose | 16 | 629 | 2542 | 55.7 |
2 doses | 36 | 1858 | 1938 | 66.2 |
3 doses | 21 | 1191 | 1763 | 69.3 |