Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|
definition of vaccine in 2000 | 1.66 | 0.5 | 1961 | 21 | 29 |
definition | 1.51 | 0.9 | 4253 | 33 | 10 |
of | 1.62 | 1 | 5526 | 28 | 2 |
vaccine | 0.81 | 0.3 | 4484 | 11 | 7 |
in | 1.24 | 0.6 | 2690 | 83 | 2 |
2000 | 1.01 | 0.9 | 5214 | 44 | 4 |
Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
definition of vaccine in 2000 | 0.01 | 0.6 | 3696 | 94 |
definition of vaccine in 2018 | 0.99 | 0.5 | 62 | 55 |
what was the vaccine | 0.41 | 0.5 | 1698 | 43 |
original definition of vaccine | 1 | 0.2 | 6336 | 18 |
old definition of vaccine | 0.66 | 0.7 | 8285 | 36 |
definition of vaccine by cdc | 0.86 | 0.9 | 7403 | 97 |
history of vaccines - wikipedia | 0.39 | 0.7 | 789 | 64 |
vaccines released in the 20th century | 0.32 | 0.5 | 4056 | 23 |
history of the word vaccine | 1.13 | 0.1 | 7505 | 89 |
vaccines in the 20th century | 0.06 | 0.9 | 5914 | 87 |
the history of the vaccine | 1.15 | 0.3 | 5536 | 5 |
what years was the vaccine introduced | 0.09 | 0.6 | 7828 | 83 |
when was the vaccine created | 1.2 | 0.9 | 7351 | 15 |
history of vaccines pdf | 0.38 | 0.2 | 1249 | 32 |
a brief history of vaccines and vaccination | 0.02 | 0.4 | 9050 | 14 |
when is vaccine invented | 1.55 | 0.1 | 8901 | 27 |
the term vaccine was introduced by | 0.31 | 0.5 | 9518 | 66 |
the first vaccine was for which disease | 0.12 | 0.6 | 8809 | 91 |