1. Assessing the effects of a two-amino acid flexibility in the Hemagglutinin 220-loop receptor-binding domain on the fitness of Influenza A(H9N2) viruses. Issue 1 (1st January 2021) Authors: Sun, Yixue; Cong, Yulin; Yu, Haiying; Ding, Zhuang; Cong, Yanlong Journal: Emerging microbes & infections Issue: Volume 10:Issue 1(2021) Page Start: 822 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗