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. 2009 Aug 3;53(10):4457–4463. doi: 10.1128/AAC.00650-09

TABLE 2.

Selective pressures (dN/dS) on sites associated with amantadine resistance for human influenza virus

Position dN/dS Selective pressure
eSLAC iSLAC tSLAC eFEL iFEL
26 1.35 0.57 1 0.35 0.72 1
27 4.42 0.054 0.59 0.039a 0.082 0.2
30 0.21 1 1 1 1 1
31 0.83 0.46 1 0.74 1 1
a

Statistically significant positive selection (P < 0.05).