| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| flu immunity lasts how long | 0.25 | 0.9 | 1247 | 24 |
| how long does flu immunity last | 1.6 | 0.5 | 4751 | 84 |
| how long does flu shot immunity last | 1.2 | 0.9 | 3676 | 98 |
| how long do flu shots last for immunity | 1.58 | 0.2 | 5686 | 34 |
| how long does flu vaccine immunity last | 1.94 | 0.2 | 7860 | 80 |
| how long does natural immunity last for flu | 1.4 | 0.9 | 7676 | 92 |
| how long does flu jab immunity last | 0.87 | 0.7 | 3091 | 25 |
