Correction: A novel hemagglutinin protein produced in bacteria protects chickens against H5N1 highly pathogenic avian influenza viruses by inducing H5 subtype-specific neutralizing antibodies.

[This corrects the article DOI: 10.1371/journal.pone.0172008.].

Fig A and Fig B are omitted from the S1 Appendix file. Please see the complete, corrected S1 Appendix here.

Fig A in S1 Appendix SDS-PAGE showing (A) expression and (B) purification of rH5-E. coli. Fig B in S1 Appendix Antigenicity of rH5-E. coli. Table A in S1 Appendix Anti-H5 hemagglutinin antibodies used in this work. Table B in S1 Appendix Hemagglutination activity of rH5-E. coli. S1 Appendix Supplementary data on vaccine antigen.

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