| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| covid vaccine and immune system | 1.32 | 0.5 | 4340 | 52 |
| covid vaccine immune system | 1.24 | 0.9 | 1712 | 6 |
| immune system and covid 19 vaccine | 0.82 | 0.7 | 6685 | 48 |
| how to heal immune system after covid vaccine | 0.73 | 0.8 | 2724 | 92 |
| covid vaccine effect on immune system | 1.29 | 0.2 | 4307 | 57 |
| best covid vaccine for low immune system | 0.13 | 0.4 | 1232 | 22 |
| covid vaccine affect on immune system | 1.4 | 0.2 | 2062 | 99 |
| covid vaccine vs immune system | 1.24 | 0.7 | 3466 | 40 |
