| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| natural and passive immunity | 1.27 | 0.8 | 7193 | 49 | 28 |
| natural | 1.18 | 0.4 | 8394 | 70 | 7 |
| and | 1.85 | 0.2 | 7949 | 7 | 3 |
| passive | 1.65 | 0.7 | 6664 | 93 | 7 |
| immunity | 1.09 | 0.6 | 9919 | 13 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| natural and passive immunity | 0.11 | 0.7 | 6381 | 55 |
