Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
rate of polio in the united states | 0.48 | 0.8 | 8915 | 15 |
what is the incidence rate of polio | 1.31 | 0.8 | 1399 | 7 |
polio in the united states | 0.64 | 0.8 | 665 | 48 |
how common is polio in the us | 1.45 | 0.3 | 1927 | 52 |
polio epidemic in the united states | 0.1 | 0.4 | 3925 | 99 |
number of polio cases in the us | 0.81 | 0.7 | 7597 | 31 |
incidence of polio today | 0.45 | 0.2 | 4285 | 49 |
cases of polio in us by year | 0.32 | 0.6 | 9993 | 92 |
polio in the usa | 1.28 | 0.8 | 1991 | 63 |
polio in the us | 1.8 | 0.5 | 3963 | 23 |
how many cases of polio in usa | 0.28 | 0.5 | 400 | 23 |
polio statistics by year | 1.85 | 0.2 | 7601 | 92 |
polio in usa today | 1.83 | 0.3 | 4666 | 54 |
how common is polio today | 1.12 | 0.7 | 6766 | 61 |
polio in us today | 0.73 | 0.9 | 207 | 63 |