| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| h1n1 deaths 2009 united states | 0.23 | 0.4 | 272 | 36 |
| h1n1 deaths united states | 1.67 | 0.1 | 730 | 11 |
| cdc influenza h1n1 2009 deaths | 0.1 | 0.7 | 4031 | 38 |
| h1n1 in 2009 statistics | 1.77 | 1 | 4831 | 2 |
| h1n1 death rate united states | 0.93 | 0.7 | 2261 | 79 |
| number of deaths from h1n1 | 1.93 | 0.1 | 2153 | 28 |
| h1n1 statistics deaths today | 1.17 | 0.8 | 3913 | 65 |
| h1n1 death rate usa | 1.39 | 0.5 | 6231 | 4 |
| how many died h1n1 usa | 0.73 | 0.4 | 2597 | 16 |
| h1n1 deaths by country | 0.74 | 0.9 | 7981 | 55 |
| how many people died from h1n1 | 0.63 | 0.5 | 2554 | 96 |
| how many died from h1n1 | 0.07 | 0.7 | 5481 | 18 |
| flu a h1n1 2009 | 1.47 | 0.9 | 2763 | 4 |
| how many people died from h1n1 worldwide | 1.71 | 0.1 | 2336 | 32 |
| the 2009 h1n1 flu virus | 0.77 | 0.9 | 7451 | 91 |
| major events in the 2009 h1n1 pandemic | 1.18 | 0.4 | 8621 | 90 |
| h1n1 vaccine in 2009 | 1.92 | 0.3 | 8041 | 87 |
| influenza a 2009 h1n1 | 0.84 | 0.3 | 6043 | 37 |
| reproduction numbers of 2009 h1n1 | 0.16 | 0.4 | 954 | 35 |
| h1n1 bird flu 2009 | 1.16 | 1 | 5022 | 23 |
| h1n1 swine flu outbreak in 2009 | 0.89 | 0.6 | 6053 | 90 |
| mortality rate of h1n1 | 0.77 | 0.2 | 3370 | 58 |
| h1n1 death rate by age | 2 | 1 | 3999 | 66 |
