| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| natural killer cells in antiviral immunity | 0.18 | 1 | 1813 | 80 |
| natural killer cells immune system | 1.61 | 0.7 | 616 | 73 |
| natural killer cell mediated immunity | 0.17 | 0.5 | 8221 | 50 |
| natural killer cells only attack viruses | 1.11 | 0.8 | 4646 | 15 |
| role of natural killer cells in immunity | 0.48 | 0.7 | 1411 | 51 |
| natural killer cell immunology | 0.2 | 0.7 | 6585 | 68 |
| natural killer cells adaptive immunity | 1.74 | 1 | 9823 | 87 |
| natural killers in the immune system | 0.42 | 0.9 | 4889 | 78 |
| natural killer cells lymphocytes | 0.48 | 0.9 | 4475 | 51 |
| natural killer cells attack | 0.95 | 0.9 | 3027 | 84 |
| what do natural killer cells fight | 1.71 | 0.8 | 78 | 43 |
| human natural killer cells | 0.77 | 0.6 | 4787 | 11 |
| natural immunity against virus | 0.68 | 0.6 | 9087 | 26 |
| what are the natural killer cells | 1.82 | 0.6 | 2654 | 85 |
| natural killer cell surface antigen | 1.34 | 0.1 | 842 | 23 |
| killer cells immune system | 1.3 | 0.2 | 5634 | 84 |
| cellule natural killer immunologia | 0.34 | 0.6 | 591 | 11 |
| natural products as antiviral agents | 0.88 | 0.1 | 5118 | 22 |
| natural antivirals against human viruses | 1.69 | 0.3 | 3652 | 68 |
| what are natural antivirals | 1.97 | 0.7 | 5287 | 22 |
| what immune cells fight viruses | 1.49 | 0.1 | 2999 | 38 |
