Table 2 Number of subjects needed to vaccinate (NNV) to prevent one woman from being infected by human papillomavirus (HPV) 16/18 by age 35
Vaccination option | NNV | Ratio |
|---|---|---|
11-year-old girls only, coverage 65 | 1.5 | Reference category |
11-year-old girls only, coverage 90% | 1.5 | 1.0 |
11-year-old girls and boys, coverage 65% | 2.7 | 1.8 |