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Genome composition of H5N1 reassortant viruses used in the study
| Reassortant | HA gene | NA gene | Internal genes |
|---|---|---|---|
| caEG-Len17rg | EG321, ΔHAa clade 2.2 | EG321, intact | caLen17-rg |
| caVN-Len17rg | VN1203, ΔHA clade 1 | VN1203, intact | caLen17-rg |
| VN-Len134rg | VN1203, ΔHA clade 1 | VN1203, intact | Len134-rg |
ΔHA, polybasic cleavage site deleted.
