| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| avian flu vs swine flu | 0.04 | 0.7 | 4485 | 21 |
| swine flu vs bird flu | 0.59 | 0.9 | 5746 | 46 |
| swine flu vs flu | 0.39 | 0.6 | 4102 | 45 |
| swine flu vs regular flu | 0.61 | 0.8 | 3811 | 2 |
| avian flu vs influenza a | 0.83 | 0.3 | 5879 | 84 |
| difference between bird flu and swine flu | 0.61 | 0.6 | 9745 | 83 |
| swine flu in birds | 1.66 | 0.2 | 7278 | 36 |
| avian influenza vs influenza | 0.84 | 1 | 1083 | 76 |
| influenza a swine flu | 0.54 | 1 | 9931 | 19 |
| avian flu bird flu | 0.95 | 0.9 | 9021 | 94 |
| avian influenza bird flu | 1.59 | 0.3 | 3883 | 67 |
| avian flu in mammals | 1.02 | 0.6 | 8618 | 88 |
| avian bird flu overview | 0.31 | 0.1 | 1826 | 90 |
| avian flu in wild birds | 1.91 | 0.8 | 4124 | 1 |
| swine flu angry birds | 0.06 | 0.4 | 5623 | 5 |
| swine influenza a virus | 0.71 | 0.4 | 9975 | 73 |
