Table 6.
Temporal trends of COVID-19 variants.
| Variant | Period |
|---|---|
| Wuhan Hu 1 | Beginning 2020 |
| Alpha | Autumn 2020 |
| Delta | Spring 2021 |
| Omicron | Autumn 2021 |
| Eris (Omicron subvariant) | Summer 2023 |
| Pirola (Omicron subvariant) | Autumn 2023 |
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