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Models of structures of representative influenza A(H3N2) viruses that circulated in Israel in the beginning of the 2016–2017 season.
Each structure represents one amino acid combination that circulated in Israel in the beginning of the 2016–2017 influenza season. The arrow labels are colored according to the different groups of aa substitutions, similar to the group colors in Table 2. The 3 groups are indicated.
