| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Viral Vaccines | 100 | + | |
| 2 | Bacterial Vaccines | 80 | + | |
| 3 | Toxoids | 42 | + | |
| 4 | Vaccines, Combined | 31 | + | |
| 5 | Vaccines, Synthetic | 20 | + | |
| 6 | Vaccines, Subunit | 19 | + | |
| 7 | Vaccines, Inactivated | 12 | + | |
| 8 | Vaccines, Attenuated | 9 | + | |
| 9 | Protozoan Vaccines | 1 | + |