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. 2018 Nov 7;7:176. doi: 10.1038/s41426-018-0178-y

Fig. 2. Sequence variation at antigenically significant H9 haemagglutinin escape mutant sites.

Fig. 2

Time-resolved Bayesian HA1 phylogeny and amino-acid identity at each of the 20 mAb escape residues found to significantly affect HI titres with polyclonal chicken antisera. Amino-acid identity is shown by colour, grouped by side-chain property, according to the legend. Each virus (n = 330) included in the phylogeny has associated HI data and was included in integrated modelling of genetic and antigenic data