| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| bird flu is caused by which virus | 0.35 | 0.3 | 9658 | 79 |
| bird flu is caused by | 1.57 | 0.3 | 1521 | 6 |
| what is bird flu caused by | 0.59 | 0.9 | 4034 | 23 |
| what is bird flu in birds | 0.21 | 0.9 | 786 | 61 |
| how do birds get the bird flu | 0.34 | 0.1 | 7928 | 26 |
| what virus causes bird flu | 0.6 | 0.7 | 1344 | 18 |
| bird flu what is it | 1.54 | 1 | 5243 | 20 |
| bird flu pandemic causes | 0.52 | 0.2 | 6863 | 93 |
| how do people get bird flu | 0.68 | 1 | 2828 | 15 |
| bird flu human infection | 0.96 | 0.5 | 9247 | 66 |
| what causes bird flu in chickens | 1.4 | 0.9 | 4001 | 54 |
| how do humans get bird flu | 1.86 | 0.8 | 1486 | 79 |
| information on bird flu | 0.89 | 0.4 | 5594 | 34 |
| how did bird flu start | 1.85 | 0.6 | 1416 | 46 |
| what is bird flu virus | 0.87 | 0.4 | 4160 | 84 |
| what type of virus is bird flu | 1.13 | 1 | 5636 | 79 |
| is bird flu a virus or bacteria | 1.67 | 0.3 | 5321 | 30 |
| is the bird flu viral | 0.14 | 0.5 | 8267 | 34 |
| what is bird flu in humans | 1.66 | 0.7 | 6911 | 60 |
| origin of bird flu virus | 1.52 | 0.3 | 7846 | 73 |
| how do birds get bird flu | 1.11 | 0.9 | 6041 | 14 |
