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| 1. |
The first human trial of a vaccine against Kovid-19 has started in Seattle, USA. What is the name of this vaccine? |
| A. | mRNA-1233 |
| B. | mRNA-1723 |
| C. | mRNA-1273 |
| D. | tRNA-1273 |
| Answer» D. tRNA-1273 | |