| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| flu vaccine efficacy rate | 1.58 | 1 | 6126 | 78 | 25 |
| flu | 0.33 | 0.9 | 1495 | 33 | 3 |
| vaccine | 1.05 | 0.7 | 4688 | 16 | 7 |
| efficacy | 0.88 | 1 | 2680 | 76 | 8 |
| rate | 1.35 | 0.9 | 2669 | 83 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| flu vaccine efficacy rate | 1.09 | 0.8 | 1094 | 99 |
