| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| antigenic shift definition biology | 1.87 | 0.8 | 3434 | 55 | 34 |
| antigenic | 0.71 | 0.1 | 9846 | 77 | 9 |
| shift | 1.46 | 0.3 | 2063 | 99 | 5 |
| definition | 0.13 | 0.2 | 2206 | 95 | 10 |
| biology | 0.29 | 1 | 7511 | 79 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| antigenic shift definition biology | 0.59 | 1 | 6209 | 68 |
| mechanism of antigenic shift | 0.74 | 0.3 | 5623 | 29 |
| what is antigenic shift in viruses | 0.21 | 0.8 | 5215 | 37 |
| what happens during antigenic shift | 1.49 | 0.1 | 1387 | 92 |
| antigenic drift and antigenic shift | 1.63 | 0.5 | 6804 | 87 |
| antigenic shifts may be the result of | 1.82 | 0.3 | 5302 | 90 |
| what is antigenic drift and shift | 0.4 | 0.4 | 613 | 20 |
| antigenic shift and drift | 0.61 | 0.7 | 7916 | 14 |
| difference between antigenic drift and shift | 1.09 | 0.7 | 166 | 49 |
| mortality by antigenic shift | 1.14 | 0.8 | 3938 | 52 |
| antigenic shift and drift ppt | 1.12 | 0.4 | 2731 | 50 |
| anthropogenic changes cause shift | 1.95 | 0.4 | 5156 | 1 |
