| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is h1n1 vaccine called | 0.54 | 0.1 | 271 | 14 |
| is there a vaccine for h1n1 | 1.31 | 0.2 | 64 | 76 |
| what is in the h1n1 vaccine | 1.86 | 0.1 | 9715 | 35 |
| h1n1 influenza virus vaccine | 1.96 | 0.2 | 7462 | 85 |
| vaccine for h1n1 flu | 1.07 | 0.7 | 3351 | 76 |
| h1n1 what is it | 0.38 | 0.4 | 2783 | 60 |
| influenza a h1n1 vaccine | 1.48 | 0.8 | 6966 | 40 |
| what does h1n1 stand for | 0.33 | 1 | 4819 | 16 |
| what is h1n1 virus wikipedia | 0.26 | 0.5 | 9920 | 68 |
| why is it called h1n1 | 0.13 | 0.9 | 8859 | 85 |
| what is the meaning of h1n1 | 1.02 | 0.9 | 4401 | 21 |
| what is the h1n1 virus | 1.11 | 1 | 8053 | 56 |
| what is h1n1 influenza | 1.9 | 0.8 | 996 | 73 |
| h1n1 the same as flu vaccine | 1.75 | 0.3 | 8862 | 59 |
| what is h1n1 flu | 0.06 | 0.9 | 6001 | 74 |
| is there a vaccine for h5n1 | 0.98 | 0.3 | 9153 | 19 |
| h1n1 virus is a type of | 1.92 | 0.8 | 7566 | 4 |
| full meaning of h1n1 | 0.79 | 1 | 6470 | 2 |
| h5n1 vaccine for humans | 1.58 | 0.3 | 4917 | 58 |
