| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pertussis vaccine efficacy rate | 0.79 | 0.5 | 1891 | 19 | 31 |
| pertussis | 0.38 | 0.1 | 6312 | 49 | 9 |
| vaccine | 0.59 | 0.4 | 1473 | 8 | 7 |
| efficacy | 1.16 | 0.3 | 3030 | 10 | 8 |
| rate | 1.99 | 0.6 | 146 | 67 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pertussis vaccine efficacy rate | 1.57 | 0.1 | 1288 | 90 |
