| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| natural passive immunity in animals | 1.09 | 0.1 | 8474 | 14 |
| what is natural passive immunity in animals | 1.4 | 0.4 | 3561 | 36 |
| artificial passive immunity in animals | 0.36 | 0.2 | 3011 | 62 |
| explain natural passive immunity | 1.48 | 1 | 2336 | 2 |
| natural and passive immunity | 0.25 | 0.3 | 9890 | 19 |
| natural active and natural passive immunity | 0.1 | 0.4 | 6151 | 17 |
| natural passive immunity definition | 0.57 | 0.4 | 4661 | 87 |
| natural active immunity in animals | 1.81 | 0.6 | 2458 | 50 |
| natural passive acquired immunity | 0.39 | 0.6 | 3617 | 100 |
| passive natural immunity examples | 0.29 | 0.8 | 1687 | 50 |
| natural and artificial passive immunity | 0.4 | 0.2 | 9429 | 80 |
