| 摘要 |
This disclosure provides attenuated swine influenza strains, particularly those produced via a reverse genetics approach, compositions comprising same, and methods of production and use thereof. The attenuated strains are engineered to encode HA proteins having additional glycosylation sites, relative to the HA proteins encoded by the corresponding virulent parental viruses. Advantageously, the attenuated influenza strains may be administered |
