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Table 5 HA genetic variation compared with A/Brisbane/02/2018 (H1 numbering)

From: Characterization of neuraminidase inhibitor-resistant influenza virus isolates from immunocompromised patients in the Republic of Korea

Virus Amino acid identity with A/Brisbane/02/2018 (%) G62Ra,b,c N146Da,b,c A158E a,b,c T202I a,b,c R240Q a,c,d N277Db A299Pa,b V315Ia,b K521b
A/Korea/S0003/2019 98.94      
A/Korea/S0002/2019 98.59  
Frequency (%) 84.19 17.76 0.97 19.77 99.87 29.46 84.85 85.38 3.08
  1. substitution of the amino acid indicated
  2. aBinding small ligand
  3. bviral oligomerization interfaces
  4. cantibody recognition sites
  5. dhost cell receptor binding