Residues 41V and/or 210D in the NP protein enhance polymerase activities and potential replication of novel influenza (H7N9) viruses at low temperature
Health Medicinet,
Virology Journal 2015, 12:71 doi:10.1186/s12985-015-0304-6 Wenfei Zhu and Xiaohui Zou contributed equally to this work.