Table 2. Clinical trials using biological treatments.
| Biological Treatments | Clinical Trials |
|---|---|
| Convalescent Plasma | 82 |
| Antibodies | 61 |
| Vaccines | 54 |
| Stem Cells | 50 |
| Enzymes | 8 |
| Interferon | 8 |
| Immunoglobin | 7 |
| NK Cells | 5 |
| T-Cells | 3 |
| Protein | 9 |
| Others | 4 |
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