| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| bird flu affect on humans | 1.89 | 0.5 | 8121 | 88 |
| bird flu effect on humans | 1.73 | 0.4 | 2339 | 23 |
| can bird flu affect humans | 1.64 | 1 | 1013 | 15 |
| does bird flu affect humans | 1.75 | 0.7 | 754 | 30 |
| does avian bird flu affect humans | 1.68 | 0.7 | 3274 | 10 |
| what effect does bird flu have on humans | 0.22 | 0.5 | 9376 | 9 |
| bird flu danger to humans | 0.71 | 0.2 | 4788 | 43 |
| bird flu for humans | 1.81 | 1 | 3229 | 38 |
| can bird flu harm humans | 1.51 | 0.6 | 7068 | 84 |
| bird flu risk to humans | 0.49 | 0.2 | 5452 | 96 |
| article on bird flu | 0.57 | 0.4 | 145 | 25 |
| how does bird flu affect birds | 0.57 | 0.4 | 1188 | 15 |
| what does bird flu do to birds | 0.29 | 0.7 | 2013 | 70 |
| bird flu human to human | 0.04 | 0.7 | 7097 | 56 |
| how bad is the bird flu | 0.8 | 0.2 | 2202 | 71 |
