| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| immunological memory in humans | 1.84 | 0.2 | 9967 | 1 | 30 |
| immunological | 1.18 | 0.6 | 9247 | 99 | 13 |
| memory | 1.07 | 0.6 | 8570 | 48 | 6 |
| in | 1.17 | 0.5 | 8685 | 73 | 2 |
| humans | 1.25 | 0.3 | 1320 | 90 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| immunological memory in humans | 1.57 | 0.8 | 2656 | 94 |
