| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| passive immunity does not come from | 1.44 | 1 | 4678 | 68 |
| why is passive immunity only temporary | 1.77 | 0.8 | 5267 | 21 |
| what is a passive immunity | 0.23 | 0.5 | 4472 | 36 |
| passive immunity and active immunity | 1.11 | 0.7 | 6156 | 36 |
| passive immunity can be obtained by | 0.92 | 0.9 | 3679 | 71 |
| explain passive immunity and active immunity | 0.93 | 0.3 | 4418 | 94 |
| passive immunity is provided through | 1.54 | 1 | 2756 | 35 |
| passive immunity can be conferred directly by | 0.91 | 0.3 | 2071 | 21 |
| what is meant by passive immunity | 0.55 | 0.6 | 233 | 88 |
| how is passive immunity acquired | 0.8 | 0.4 | 8938 | 73 |
| what is passive immunity in biology | 0.15 | 0.8 | 8640 | 34 |
| passive or active immunity | 1.57 | 0.8 | 2901 | 20 |
| discuss passive and active immunity | 0.02 | 0.7 | 1696 | 23 |
| passive immunity definition biology | 0.17 | 0.4 | 2807 | 1 |
| what is passive immunity dependent upon | 0.71 | 0.2 | 9885 | 2 |
| meaning of passive immunity | 0.62 | 0.9 | 9507 | 22 |
| passive and acquired immunity | 0.8 | 0.5 | 6619 | 18 |
| passive immunity simple definition | 0.49 | 0.2 | 9158 | 20 |
