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. 2020 Dec 2;18:377. doi: 10.1186/s12916-020-01836-y

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© The Author(s) 2020

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 3 — Geographical distribution of highly pathogenic avian influenza A(H5N1) virus infections in human and animal reservoirs by country and distribution of sixty-six A(H5N1) virus antibody serosurveys in humans by type of exposure, 1997–2020. a The geographical distribution of laboratory-confirmed human cases of highly pathogenic avian influenza A(H5N1) virus infection. b The geographical distribution of A(H5N1) outbreaks in domestic poultry and wild birds. c–e The geographical distribution of 66 A(H5N1) serosurveys in humans by type of exposure. Note that one human A(H5N1) case reported in Canada was in a returned traveler from China