| Age |
Time Interval between
1st and 2nd dose (months) |
Time Interval between
2nd and 3rd dose (months) |
| 18 |
3.7 |
0 |
| 19 |
3.4 |
3.7 |
| 20 |
3.4 |
4.8 |
| 21 |
4.0 |
4.7 |
| 22 |
3.4 |
7.4 |
| 23 |
3.7 |
4.8 |
| 24 |
3.4 |
5.2 |
| 25 |
3.3 |
7.8 |
| ≥26* |
3.3 |
4.4 |
| Average (months) |
3.5 |
4.8 |
*Includes females who were older than 26 when they received 2nd or 3rd injection |
