| prevent cervical cancer | 0.68 |
| prevent infection | 0.39 |
| prevent genital warts | 0.37 |
| protect woman | 0.37 |
| save life | 0.35 |
| remain controversial | 0.25 |
| trigger autoimmune resp… | 0.16 |
| crps | 0.16 |
| mental retardation | 0.16 |
| infertility | 0.16 |
| approved for use | 0.51 |
| recommended for girl | 0.43 |
| introduced | 0.42 |
| licensed | 0.35 |
| approved in 2006 | 0.35 |
| recommended for boy | 0.29 |
| given in three doses | 0.25 |
| marketed to the public | 0.25 |
| mandated in several sta… | 0.25 |
| produced by merck | 0.25 |