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. 2022 Jun 28;11(1):1693–1704. doi: 10.1080/22221751.2022.2088407

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© 2022 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 1. — Outbreaks and epidemiologic timeline of H5 avian influenza. (a) The number of outbreaks caused by different subtypes of H5 viruses between January 1, 2020 and April 1, 2022. (b) The epidemiologic timeline of H5N1 and H5N8 viruses from January 1, 2020 to April 1, 2022. The epidemiology raw data for H5 highly pathogenic avian influenza over the indicated time period were downloaded from EMPRES-i + (https://empres-i.apps.fao.org/epidemiology).