| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| antigenic variation definition | 0.95 | 1 | 3370 | 7 | 30 |
| antigenic | 1.15 | 0.8 | 6255 | 97 | 9 |
| variation | 1.3 | 0.8 | 5214 | 66 | 9 |
| definition | 0.02 | 1 | 2100 | 1 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| antigenic variation definition | 0.53 | 0.7 | 4881 | 83 |
