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. 2018 Oct 23;7:171. doi: 10.1038/s41426-018-0172-4

Fig. 1. Phylogenetic analysis of the HA and NA segments circulating between Nov. 2016 and Sep. 2017.

Fig. 1

The 2016–2017win virus strains are designated Win01–28, and the 2017sum virus strains are designated Sum01-34. The 2017sum virus strains significantly differed from the 2016–2017win virus strains