| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| 2009 swine flu pandemic first outbreak | 0.89 | 1 | 4418 | 54 |
| first swine flu pandemic | 1.79 | 0.2 | 7476 | 13 |
| swine flu epidemic 2009 | 0.55 | 1 | 6269 | 43 |
| h1n1 swine flu outbreak in 2009 | 1.58 | 0.7 | 8658 | 20 |
| when did swine flu pandemic start | 1.83 | 0.2 | 2306 | 11 |
| swine flu of 2009 | 1.26 | 0.5 | 6513 | 18 |
| what year was the swine flu outbreak | 1.42 | 0.9 | 5373 | 95 |
| when was the swine flu outbreak | 0.17 | 0.7 | 67 | 42 |
| swine flu 2009 origin | 0.35 | 0.2 | 3016 | 40 |
| swine flu outbreak year | 1.71 | 0.1 | 5224 | 86 |
| when was the swine flu epidemic | 0.32 | 0.5 | 9387 | 27 |
| swine flu uk 2009 | 0.31 | 0.7 | 4618 | 57 |
| swine flu pandemic wiki | 1.19 | 1 | 5029 | 18 |
| year of swine flu epidemic | 1.01 | 1 | 730 | 94 |
| swine flu pandemic 1918 | 1.27 | 0.3 | 6175 | 24 |
| swine flu epidemic 2014 | 1.09 | 0.3 | 1635 | 69 |
