Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
how long did the spanish flu last in the usa | 0.25 | 0.1 | 5551 | 100 |
how long does the spanish flu last | 0.32 | 0.4 | 4990 | 71 |
years of the spanish flu | 1.48 | 0.5 | 5537 | 40 |
when did the spanish flu ended | 0.63 | 0.5 | 7592 | 28 |
when did the spanish flu end | 0.9 | 0.2 | 3713 | 20 |
what year did the spanish flu end | 0.06 | 0.1 | 1343 | 32 |
the spanish flu in america | 1.65 | 0.1 | 8257 | 6 |
when did spanish flu start and end | 0.88 | 0.5 | 8780 | 73 |
years of spanish flu epidemic | 1.23 | 0.4 | 8702 | 32 |
duration of spanish flu epidemic | 0.49 | 0.9 | 6528 | 95 |
spanish flu time period | 1.77 | 0.7 | 4916 | 43 |