| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| naturally acquired active immunity vs passive | 0.33 | 0.4 | 133 | 60 |
| active acquired vs passive acquired immunity | 0.78 | 0.4 | 53 | 64 |
| define naturally acquired passive immunity | 0.35 | 0.1 | 2569 | 10 |
| acquired immunity active and passive | 0.73 | 0.9 | 1472 | 68 |
| naturally acquired passive immunity example | 1.71 | 0.5 | 3121 | 12 |
| passive vs acquired immunity | 0.37 | 0.4 | 8742 | 13 |
| natural active immunity vs natural passive | 1.26 | 0.1 | 7638 | 91 |
| passive natural acquired immunity process | 0.34 | 0.2 | 6240 | 22 |
| natural active and natural passive immunity | 0.88 | 0.4 | 5461 | 80 |
| active passive artificial natural immunity | 0.81 | 1 | 147 | 23 |
| passive or active immunity | 1.38 | 0.6 | 489 | 35 |
| natural vs passive immunity | 0.98 | 1 | 2936 | 98 |
| passive versus active immunity | 1.09 | 0.2 | 7715 | 51 |
| passive and natural immunity | 0.17 | 0.6 | 9942 | 34 |
