| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how effective is the covid vaccine pfizer | 1.15 | 0.3 | 2703 | 38 |
| how long is pfizer covid 19 vaccine effective | 0.13 | 0.9 | 4338 | 21 |
| pfizer covid vaccine effective rates | 0.24 | 0.7 | 4482 | 43 |
| how safe is the covid pfizer vaccine | 0.62 | 0.2 | 5994 | 27 |
| pfizer covid vaccine efficacy rate | 1.97 | 0.3 | 5456 | 69 |
| covid vaccine by pfizer | 1.77 | 0.1 | 6023 | 98 |
| pfizer study covid vaccine | 0.01 | 0.5 | 3765 | 71 |
| pfizer updated covid vaccine | 0.52 | 0.5 | 4915 | 53 |
| latest covid vaccine pfizer | 1.72 | 0.6 | 579 | 63 |
| current information on pfizer covid vaccine | 1.32 | 1 | 4821 | 63 |
| effectiveness of pfizer covid 19 vaccine | 0.87 | 0.7 | 4509 | 82 |
