Table 2.
Genetic constellation of the A/Taiwan/1/2021(H1N2)v virus
| Viruses | Subtype | Phylogenetic clade (lineage)* | |||||||
|---|---|---|---|---|---|---|---|---|---|
| PB2 | PB1 | PA | HA | NP | NA | MP | NS | ||
| A/Taiwan/1/2021 | (H1N2)v | pdm09 | pdm09 | pdm09 | CS | pdm09 | HS | pdm09 | pdm09 |
| A/Alberta/01/2020 | (H1N2)v | pdm09 | pdm09 | pdm09 | CS | pdm09 | HS | pdm09 | CS |
| A/Denmark/1/2021 | (H1N1)v | pdm09 | pdm09 | pdm09 | pdm09 | pdm09 | ND | pdm09 | EA |
| A/Parana/3625/2020 | (H1N2)v | pdm09 | pdm09 | pdm09 | HS | pdm09 | HS | pdm09 | pdm09 |
| A/Hessen/47/2020 | (H1N1)v | EA | EA | EA | EA | EA | ND | EA | EA |
| A/Netherlands/10370-1b/2020 | (H1N1)v | EA | EA | EA | EA | EA | ND | EA | EA |
*EA: Eurasian Avian-like; CS: Classical Swine; HS: Human Seasonal; ND: not determined because of N1 subtype
*Phylogenetic clade or lineage is determined based on the respective phylogeny analyzed from full-length complete genomic sequences of each virus