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Table 2 Amino acid variations at antibody antigenic sites in HA (A-E) and NA (A-C) of H3N2 viruses 1999 to 2006

From: The evolution of human influenza A viruses from 1999 to 2006: A complete genome study

Haemagglutinin Neuraminidase
Antigenic site Moscow-New York-like New York-Fujian-like Fujian-California-like California-Wisconsin-like Moscow-New York-like New York-Fujian-like Fujian-California-like California-Wisconsin-like
A I144D A131T D144N K145N   D399E K385N E399D   
B S186G T128A
H155T
Q156H
A128T
Y159F
S189N
S193F    E119K
K221E
 
C   R50G    S332F F332S   L370S
D    K173E
V226I
S227P
E173K     
E T92K H75Q
E83K