The Origin of Novel Avian Influenza A (H7N9) and Mutation Dynamics for Its Human-To-Human Transmissible Capacity Peng, Jin ; Yang, Hao ; Jiang, Hua ; Lin, Yi-xiao ; Lu, Charles Damien ; Xu, Ya-wei ; Zeng, Jun Abstract Publication: PLoS ONE Pub Date: March 2014 DOI: 10.1371/journal.pone.0093094 Bibcode: 2014PLoSO...993094P