Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Lohrmann, F; Dijkman, R; Stertz, S; Thiel, V; Haller, O; Staeheli, P; Kochs, G (2013). Emergence of a C-terminal seve 1 n amino acid elongation of NS1 around 1950 2 conferred a minor growth advantage to former seasonal influenza A viruses. Journal of Virology, 87(20):11300-11303.