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. 2017 Apr 1;15(2):154–164. doi: 10.1089/hs.2016.0104

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© Ji-Rong Yang et al., 2017; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons Attribution Noncommercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

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Figure 6. — Laboratory surveillance of influenza viruses in Taiwan. (A) Circulation of influenza viruses in Taiwan from 2009 to 2016. The monthly distributions of the influenza isolates, including A(H1N1), A(H3N2), A(H1N1)pdm09, and influenza B viruses are shown as bars with different colors. Positive rates of confirmed cases are also shown in the line chart. (Data collected from January to March 2016.) (B-E) Phylogenetic relationships of HA genes of A(H1N1)pdm09 (B), A(H3N2) (C), B/Victoria lineage (D), and B/Yamagata lineage (E) viruses circulating in Taiwan. The phylogenetic trees were constructed using the neighbor-joining method with 1,000 bootstrap replications. Branch values of more than 70 and the major amino acid signatures of each genotype are indicated. WHO-recommended vaccine strains are shown as red triangles; domestic strains that are used to produce post-infection ferret antisera are shown as green triangles.

Figure 6. — Laboratory surveillance of influenza viruses in Taiwan. (A) Circulation of influenza viruses in Taiwan from 2009 to 2016. The monthly distributions of the influenza isolates, including A(H1N1), A(H3N2), A(H1N1)pdm09, and influenza B viruses are shown as bars with different colors. Positive rates of confirmed cases are also shown in the line chart. (Data collected from January to March 2016.) (B-E) Phylogenetic relationships of HA genes of A(H1N1)pdm09 (B), A(H3N2) (C), B/Victoria lineage (D), and B/Yamagata lineage (E) viruses circulating in Taiwan. The phylogenetic trees were constructed using the neighbor-joining method with 1,000 bootstrap replications. Branch values of more than 70 and the major amino acid signatures of each genotype are indicated. WHO-recommended vaccine strains are shown as red triangles; domestic strains that are used to produce post-infection ferret antisera are shown as green triangles.