| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how deadly is the influenza virus | 1.38 | 1 | 6441 | 69 |
| how deadly is the flu | 0.58 | 0.4 | 9957 | 64 |
| which influenza virus is the most lethal | 0.14 | 0.7 | 6316 | 23 |
| how deadly is the flu percentage | 1.29 | 0.7 | 5627 | 96 |
| is influenza a fatal | 1.81 | 0.7 | 3695 | 33 |
| how dangerous is influenza | 1.54 | 0.3 | 7477 | 50 |
| is influenza type a deadly | 0.79 | 0.5 | 6785 | 26 |
| influenza virus death rate | 0.89 | 0.7 | 1692 | 86 |
| how serious is influenza a | 1.85 | 0.4 | 5061 | 39 |
| is the flu fatal | 0.29 | 0.8 | 2739 | 89 |
| fatality rate of influenza | 0.28 | 0.6 | 589 | 27 |
| influenza death per year | 1.51 | 0.6 | 4311 | 36 |
| what was the deadliest flu | 1.1 | 0.8 | 3338 | 4 |
