| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| h1n1e3 | 1.53 | 0.7 | 5703 | 82 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| h1n1e3 | 1.5 | 0.4 | 1597 | 69 |
| h1n1 2009 | 0.56 | 1 | 7932 | 57 |
| h1n1 2023 | 0.05 | 0.6 | 4496 | 97 |
| h1 news | 1.46 | 1 | 1481 | 24 |
| h1ne | 0.61 | 0.4 | 5662 | 44 |
| h1ne-03 | 0.88 | 0.6 | 6109 | 60 |
| h1neme | 1.34 | 0.5 | 840 | 77 |
| h1n1 2009 pandemic | 1.39 | 1 | 1119 | 53 |
| h1n1 2009 pdm | 0.33 | 0.4 | 9929 | 7 |
| h1n1 2009 deaths | 0.84 | 0.5 | 6258 | 3 |
| h1n1 2009 origin | 1.05 | 0.8 | 636 | 53 |
| h1n1 2009 vaccine | 1.57 | 0.1 | 6921 | 85 |
| cdc 2009 h1n1 pandemic | 1.76 | 0.2 | 4412 | 84 |
| h1n1 swine flu outbreak in 2009 | 1.15 | 0.8 | 3717 | 10 |
| influenza a h1n1 2009 | 0.22 | 0.8 | 5752 | 40 |
| the 2009 h1n1 flu virus | 1.04 | 0.6 | 7128 | 64 |
| 2009 h1n1 flu | 1.71 | 1 | 6605 | 37 |
