| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is h1n1 swine flu or bird flu | 0.11 | 0.9 | 3242 | 56 |
| h1n1 vs swine flu | 0.46 | 0.3 | 1041 | 77 |
| why is h1n1 influenza called swine flu | 0.76 | 0.3 | 8169 | 4 |
| h1n1 bird flu in humans | 1.94 | 0.1 | 3202 | 47 |
| h1n1 swine flu 2009 | 0.37 | 0.8 | 1892 | 15 |
| influenza virus strain h1n1 swine flu | 1.65 | 0.8 | 4546 | 83 |
| h1n1 swine flu pandemic | 0.61 | 0.3 | 7017 | 67 |
| swine flu h1n1 vaccine | 1.04 | 0.8 | 9863 | 82 |
| swine flu bird flu | 0.16 | 0.3 | 9086 | 68 |
| h1n1 bird flu 2009 | 0.98 | 0.6 | 8001 | 54 |
| bird flu vs swine flu | 0.18 | 0.6 | 1226 | 79 |
| is h3n2 swine flu | 1.42 | 0.2 | 6122 | 39 |
| h1n1 swine flu outbreak in 2009 | 1.83 | 0.8 | 5914 | 86 |
| is influenza a swine flu | 1.81 | 0.6 | 3346 | 77 |
| swine flu strain h1n2 | 1.04 | 1 | 44 | 98 |
| h5n1 bird flu virus | 0.15 | 0.4 | 3944 | 13 |
| h5n1 bird flu in humans | 1.29 | 0.3 | 6696 | 5 |
| h5n1 bird flu facts | 1.78 | 0.9 | 8127 | 78 |
| is influenza a h1n1 | 0.5 | 0.6 | 4496 | 66 |
| influenza a h1 2009 vs h1n1 | 1.31 | 0.4 | 9412 | 100 |
