https://www.selleckchem.com/products/amg-487.html
The attenuated avian infectious bronchitis virus (IBV), derived from a wild strain (TW2575/98w) in chicken embryos after 75 passages, is designed as a commercial vaccine strain (TW2575/98vac) to control the disease in Taiwan. The differences in viral infectivity, replication efficiency, and genome sequences between TW2575/98w and TW2575/98vac were determined and compared. TW2575/98vac caused earlier death of chicken embryos and had higher viral replication efficiency. Thirty amino acid substitutions resulting from 44 mutated nucleotides
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