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. 2019 Apr 24;8(1):650–661. doi: 10.1080/22221751.2019.1605845

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© 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group on behalf of Shanghai Shangyixun Cultural Communication Co., Ltd

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 3. — Phylogenetic relationship of haemagglutinin (HA) genes of HPAI H5N1 viruses isolated in Bangladeshi LPMs. The complete coding region of HA1 was used. Viruses identified during the surveillance period are colour coded (red, H5N1-R1; purple, H5N1-R2; and yellow-green, H5N2 viruses). *, Post-infection ferret antisera used for HI assays. Note that the homologous HI titre for A/Bangladesh/19097/2013(H5N1) was 320, and HI titres for recent H5N1-R1 (other than indicated) and H5N1-R2 viruses were between 80 and 160. Dk, duck; Bd, Bangladesh. •, HPAI H5N1 viruses isolated from humans in Bangladesh. Tree is rooted to midpoint. Bootstrap values ≥70% are indicated on branches.