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. 2020 Aug 27;14(8):e0008574. doi: 10.1371/journal.pntd.0008574

Fig 4. Phylogenetic tree on 1500-nt envelope gene of Japanese encephalitis virus strains.

Fig 4

A total of 57 selected strains were involved in phylogenetic analysis, including 13 E gene samples (2015–2018), 10 strains (7 strains from 2006–2014 and 3 strains from 1982–1983) derived from Zhejiang Province and 34 strains derived from other provinces in China (Beijing, Fujian, Henan, Hunan, Guangxi, Gansu, Guizhou, Shandong, Shanghai, Shanxi, Sichuan, Taiwan, Tibet, Yunan) or abroad. The sequences of Zhejiang strains isolated in 1982–1983 and 2006–2018 are marked in black rhombus and circle, respectively. The virus name and Genbank accession number are noted. Phylogenetic analysis was performed by the maximum-likelihood method using MEGA 7.0 software package. Labels of strains conform to the following format: Strain name (including region and year of isolation) and GenBank accession number.