| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what year was bird flu | 1.13 | 0.1 | 6887 | 19 |
| what year was fluoride added to water | 0.42 | 0.3 | 3322 | 92 |
| what year was fluorine discovered | 1.31 | 0.3 | 2743 | 7 |
| what year was fluor founded | 1.16 | 0.1 | 9712 | 88 |
| what year was flushed away released | 0.53 | 0.9 | 7665 | 95 |
| how many chickens died of bird flu last year | 1.59 | 0.1 | 6853 | 97 |
| bird flu pandemic year | 1.97 | 0.5 | 5553 | 76 |
| bird flu in the us this year | 0.69 | 0.9 | 8071 | 44 |
| bird flu epidemic year | 0.48 | 0.2 | 2635 | 46 |
| what year was the bird flu outbreak | 1.64 | 0.8 | 4601 | 83 |
| bird flu year | 1.12 | 0.4 | 3132 | 96 |
| what year did the bird flu start | 1.5 | 0.9 | 9761 | 28 |
