| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| polio vaccination rates by year | 0.42 | 0.1 | 2703 | 79 | 31 |
| polio | 0.72 | 1 | 5465 | 81 | 5 |
| vaccination | 1.79 | 0.1 | 1751 | 95 | 11 |
| rates | 1.52 | 0.5 | 9687 | 6 | 5 |
| by | 0.55 | 1 | 1634 | 42 | 2 |
| year | 1.93 | 0.4 | 4190 | 79 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| polio vaccination rates by year | 0.56 | 0.9 | 243 | 23 |
| polio rates by year | 0.28 | 0.3 | 8659 | 98 |
| polio vaccination in the us | 1.7 | 0.8 | 420 | 53 |
| polio vaccine efficacy rates | 1.28 | 1 | 5639 | 34 |
| polio vaccine effective rate | 1.07 | 0.9 | 539 | 45 |
| polio rates before and after vaccine | 0.65 | 0.4 | 5410 | 50 |
| polio rates in the us | 0.44 | 0.2 | 8701 | 49 |
| polio statistics by year | 1.23 | 0.1 | 7381 | 56 |
| polio vaccinations united states | 0.39 | 0.8 | 7672 | 33 |
| rate of polio in the united states | 0.53 | 0.4 | 6628 | 71 |
| polio vaccine in us | 1.91 | 1 | 5781 | 83 |
| polio mortality rate before vaccine | 0.45 | 0.6 | 6115 | 77 |
| polio death rate before vaccine | 1.24 | 0.7 | 7347 | 92 |
| cdc polio adult vaccination | 1.54 | 0.2 | 6344 | 67 |
| polio vaccines 1950s statistics | 0.97 | 0.8 | 8337 | 37 |
| death rate of polio prior to vaccine | 1.97 | 0.9 | 7978 | 23 |
| polio vaccine in usa | 1.58 | 0.8 | 2844 | 23 |
| polio vaccine age chart | 0.1 | 0.3 | 7380 | 31 |
| what is the incidence rate of polio | 0.82 | 0.4 | 1419 | 88 |
| polio vaccine united states | 0.78 | 0.3 | 1136 | 71 |
| cost of polio vaccine | 1.57 | 0.9 | 6716 | 53 |
| polio vaccine over 18 | 1.62 | 0.2 | 836 | 5 |
