Table 1.
Nucleotide and amino acid substitutions in S1 gene of ZYY-2014 and ZYYR-2014 strains.
| Gene | Position (nt) | Nucleotide substitution | Position (aa) | Amino acid substitution |
|---|---|---|---|---|
| S1 | 578 | A → T | 193 | Y → F |
| 755 | C → T | 252 | T → I |
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