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Graphic presentation of (A) pairwise amino acid distance and (B) pairwise nucleotide distance to the 2014 vaccine strain, (C) the number of potential N-linked glycosylation sites in H3N2 strains from vaccinated and unvaccinated VW participants as well as (D) determining the effect of number of N-linked glycosylation sites on antigenic relatedness to the vaccine strain using haemagglutination inhibition titres.
