| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| research on covid 19 | 1.33 | 0.4 | 1222 | 17 | 20 |
| research | 1.08 | 0.9 | 4714 | 95 | 8 |
| on | 0.63 | 1 | 1892 | 67 | 2 |
| covid | 0.34 | 0.4 | 9274 | 14 | 5 |
| 19 | 1.55 | 0.1 | 9347 | 99 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| research on covid 19 | 1.82 | 0.1 | 3266 | 99 |
| research on covid 19 pdf | 0.36 | 0.7 | 9405 | 7 |
| research on covid 19 vaccine | 0.55 | 0.5 | 8178 | 4 |
| research on covid 19 pandemic | 1.65 | 1 | 8493 | 12 |
| covid 19 research paper | 0.66 | 0.1 | 6699 | 41 |
| gain of function research covid 19 | 1.32 | 0.3 | 6290 | 21 |
| nicotine and covid 19 research | 0.32 | 0.5 | 4727 | 91 |
| covid 19 research report | 0.91 | 0.3 | 3834 | 22 |
| covid 19 research topics | 0.81 | 0.7 | 4344 | 62 |
| covid 19 definition of terms in research | 0.28 | 0.7 | 436 | 17 |
| covid 19 research studies | 1.16 | 0.2 | 568 | 59 |
