| SARS-CoV-2 | Severe acute respiratory syndrome coronavirus 2 |
| mRNA | Messenger RNA |
| pDNA | Plasmid DNA |
| S | Spike |
| WHO | World Health Organization |
| HHS | Health and Human Services |
| BARDA | Biomedical Advanced Research and Development Authority |
| dsDNA | Double-stranded DNA |
| ssDNA | Single-stranded DNA |
| COVID-19 | Coronavirus disease 2019 |
| UTRs | Untranslated regions |
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