| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| cdc influenza h1n1 2009 deaths | 0.98 | 0.9 | 7025 | 57 |
| h1n1 deaths in usa 2009 | 1.68 | 0.6 | 4373 | 93 |
| influenza a 2009 h1n1 | 1.51 | 0.2 | 8046 | 44 |
| h1n1 death rate 2009 | 1.65 | 0.7 | 6081 | 33 |
| flu a h1n1 2009 | 0.93 | 0.6 | 679 | 55 |
| the 2009 h1n1 flu virus | 1.71 | 0.8 | 2769 | 99 |
| influenza a 2009 h1 | 0.82 | 0.3 | 6284 | 83 |
| h1n1 bird flu deaths | 1.35 | 0.6 | 6185 | 85 |
| influenza virus a h1 2009 pandemic | 0.26 | 0.9 | 6494 | 16 |
| h1n1 bird flu 2009 | 0.21 | 0.8 | 9807 | 33 |
| influenza a h1 2009 vs h1n1 | 1.19 | 1 | 872 | 90 |
| h1n1 in 2009 statistics | 1.33 | 0.8 | 9853 | 26 |
| h1n1 deaths united states | 0.96 | 0.4 | 8822 | 71 |
| number of deaths from h1n1 | 1.49 | 0.3 | 3846 | 66 |
| h1n1 statistics deaths today | 0.6 | 0.4 | 6067 | 59 |
| h1n1 swine flu outbreak in 2009 | 1.33 | 0.8 | 4857 | 82 |
| h1n1 swine flu 2009 | 1.24 | 0.6 | 3400 | 61 |
| novel influenza h1n1 09 | 0.32 | 0.5 | 7858 | 10 |
| influenza virus a h1 2009 pandemic rna | 0.73 | 0.9 | 4296 | 49 |
| h1n1 death rate usa | 0.06 | 0.5 | 169 | 58 |
| h1n1 death rate united states | 1.18 | 0.5 | 3064 | 62 |
| h5n1 bird flu death rate | 1.18 | 0.4 | 5465 | 5 |
