| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| spanish flu case fatality rate | 1.73 | 0.1 | 8864 | 13 |
| flu case fatality rate | 1.09 | 0.7 | 5764 | 13 |
| seasonal flu case fatality rate | 1.8 | 1 | 5359 | 26 |
| case fatality rate covid vs flu | 1.86 | 0.1 | 156 | 42 |
| case fatality rate influenza | 1.47 | 0.5 | 6052 | 5 |
| case fatality rate flu burung | 0.03 | 1 | 7085 | 17 |
| flu case mortality rate | 0.29 | 0.2 | 7507 | 43 |
| mortality rate for spanish flu | 0.63 | 1 | 3099 | 36 |
| death rate of spanish flu | 1.75 | 0.5 | 5803 | 38 |
| spanish flu total deaths | 0.66 | 0.6 | 9745 | 72 |
| spanish flu number of deaths | 1.83 | 1 | 8185 | 75 |
| spanish flu death toll | 1.07 | 0.9 | 9825 | 38 |
| spanish influenza mortality rate | 1.34 | 0.4 | 2111 | 70 |
| spanish flu death count | 1.41 | 0.7 | 1082 | 51 |
| spanish flu total death count | 0.49 | 0.1 | 4870 | 41 |
| deaths from spanish flu | 1.47 | 1 | 534 | 54 |
| spanish flu deaths by country comparison | 0.35 | 0.3 | 8986 | 27 |
