| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| h1n1 deaths by country | 0.81 | 0.9 | 8079 | 88 |
| h1n1 death rate 2009 | 1.58 | 0.1 | 6209 | 74 |
| cdc influenza h1n1 2009 deaths | 0.56 | 1 | 5645 | 56 |
| h1n1 in 2009 statistics | 0.87 | 0.9 | 5634 | 82 |
| h1n1 statistics deaths today | 0.17 | 0.6 | 6575 | 8 |
| number of deaths from h1n1 | 1.83 | 0.7 | 700 | 41 |
| h1n1 deaths united states | 0.01 | 0.5 | 2959 | 79 |
| how many people died from h1n1 worldwide | 0.14 | 0.4 | 6563 | 20 |
| how many people died from h1n1 | 1.33 | 0.7 | 1047 | 15 |
| how many died from h1n1 | 0.09 | 1 | 169 | 48 |
| h1n1 death rate usa | 1.32 | 0.6 | 7951 | 100 |
| h1n1 death rate united states | 1.23 | 0.3 | 5425 | 48 |
| how many died h1n1 usa | 1.78 | 0.1 | 1262 | 26 |
| major events in the 2009 h1n1 pandemic | 0.35 | 0.9 | 4461 | 14 |
| h1n1 vaccine in 2009 | 0.96 | 0.2 | 1309 | 92 |
| flu a h1n1 2009 | 0.96 | 1 | 2016 | 48 |
| h1n1 death rate by age | 0.06 | 1 | 4076 | 95 |
| mortality rate of h1n1 | 0.47 | 0.5 | 1833 | 23 |
| influenza a h1n1 2009 | 1.47 | 0.5 | 1539 | 48 |
| the 2009 h1n1 flu virus | 1.81 | 0.5 | 5069 | 23 |
| reproduction numbers of 2009 h1n1 | 1.61 | 0.4 | 7767 | 7 |
| h1n1 swine flu outbreak in 2009 | 1.46 | 0.8 | 9452 | 77 |
| how many people have died from h5n1 | 1.86 | 0.8 | 5266 | 90 |
