| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what caused the swine flu outbreak of 2009 | 0.21 | 0.6 | 8097 | 89 |
| swine flu of 2009 | 1.56 | 0.6 | 2152 | 34 |
| swine flu 2009 origin | 1.13 | 0.6 | 826 | 49 |
| swine flu epidemic 2009 | 1.89 | 0.7 | 4452 | 30 |
| what year was the swine flu outbreak | 0.72 | 0.6 | 7941 | 34 |
| h1n1 swine flu outbreak in 2009 | 1.31 | 0.6 | 140 | 84 |
| what caused the swine flu | 0.22 | 0.7 | 1431 | 24 |
| when was the swine flu outbreak | 1.69 | 0.2 | 3004 | 49 |
| swine flu pandemic 2009 | 1.04 | 0.3 | 9704 | 64 |
| swine flu uk 2009 | 1.95 | 0.9 | 8421 | 65 |
| swine flu outbreak year | 0.63 | 0.5 | 3295 | 14 |
| what year did the swine flu hit | 1.38 | 0.8 | 7671 | 82 |
| swine flu deaths 2009 | 1.08 | 0.1 | 1194 | 14 |
| swine flu statistics 2009 | 1.29 | 0.1 | 9055 | 84 |
| swine flu pandemic 2009 timeline | 0.38 | 0.9 | 3062 | 75 |
| when did the swine flu happen | 1.84 | 0.8 | 740 | 84 |
| swine flu 2009 deaths usa | 2 | 0.6 | 3091 | 9 |
| when was the swine flu epidemic | 1.14 | 0.8 | 6710 | 99 |
| trending in 2009: swine flu | 0.14 | 1 | 8475 | 32 |
| when did the swine flu start | 1.95 | 0.5 | 944 | 17 |
| first case of swine flu | 1.98 | 0.5 | 5761 | 21 |
