Viral factors in influenza pandemic risk assessment. Author(s): Lipsitch M, Barclay W, Raman R, Russell CJ, Belser JA, Cobey S, Kasson PM, Lloyd-Smith JO, Maurer-Stroh S, Riley S, Beauchemin CA, Bedford T, Friedrich TC, Handel A, Herfst S, Murcia PR, Roche B, Wilke CO, Russell CA|Journal: Elife|PMID: 27834632| November 2016 The threat of an influenza A virus pandemic stems from continual virus spillovers from reservoir species, a tiny fraction of…