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. 2023 Nov 2;25:e49300. doi: 10.2196/49300

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©Jing Dai, Fang Lyu, Lin Yu, Yunyu He. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 02.11.2023.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on https://www.jmir.org/, as well as this copyright and license information must be included.

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Analysis of the proportion of different topics with regard to influenza A in Beijing, Zhejiang, Jiangsu, Shandong, and Sichuan (refer to Textbox 2 for the list of topics and keywords).