| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| whole cell pertussis vaccine | 0.75 | 0.9 | 803 | 34 | 28 |
| whole | 1.29 | 0.1 | 3238 | 14 | 5 |
| cell | 0.58 | 0.1 | 825 | 60 | 4 |
| pertussis | 1.51 | 0.2 | 906 | 82 | 9 |
| vaccine | 0.28 | 0.1 | 2413 | 43 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| whole cell pertussis vaccine | 1.23 | 0.4 | 826 | 9 |
