| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pfizer covid vaccine booster shot efficacy | 0.24 | 0.2 | 1845 | 18 |
| pfizer 2nd booster covid vaccine | 1.59 | 0.5 | 2746 | 88 |
| second pfizer booster for covid vaccine | 1.57 | 0.8 | 190 | 62 |
| pfizer covid vaccine booster amount | 1.7 | 0.6 | 1669 | 46 |
| pfizer covid vaccine 1st shot effectiveness | 0.92 | 0.2 | 7895 | 57 |
| pfizer covid vaccine booster trial | 0.54 | 0.6 | 2631 | 60 |
| efficacy of the pfizer covid vaccine | 0.54 | 0.2 | 7376 | 49 |
| best booster after pfizer covid vaccine | 0.57 | 0.5 | 5203 | 66 |
| covid vaccine booster dose pfizer | 1.69 | 0.3 | 9579 | 4 |
| pfizer covid vaccine efficacy after one dose | 0.29 | 1 | 6724 | 48 |
| pfizer covid vaccine efficacy after 2 dose | 1.78 | 0.1 | 1993 | 53 |
| pfizer covid vaccine booster fda approval | 0.02 | 0.5 | 8765 | 45 |
| pfizer covid vaccine booster time frame | 1.56 | 1 | 1399 | 35 |
| efficacy of pfizer covid vaccines | 0.79 | 0.9 | 6918 | 14 |
| how effective is the covid vaccine pfizer | 1.99 | 1 | 8498 | 14 |
