| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| covid vaccine research paper | 1.75 | 1 | 9464 | 10 | 28 |
| covid | 0.85 | 0.6 | 3893 | 11 | 5 |
| vaccine | 0.65 | 0.7 | 8258 | 87 | 7 |
| research | 0.19 | 0.2 | 8738 | 12 | 8 |
| paper | 0.54 | 0.7 | 3960 | 7 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| covid vaccine research paper | 1.19 | 0.5 | 2030 | 91 |
