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. 2014 Jan 17;16(1):e20. doi: 10.2196/jmir.2911

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©Hua Gu, Bin Chen, Honghong Zhu, Tao Jiang, Xinyi Wang, Lei Chen, Zhenggang Jiang, Dawei Zheng, Jianmin Jiang. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 17.01.2014.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0/), 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 http://www.jmir.org/, as well as this copyright and license information must be included.

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The reported human H7N9 cases and the daily Baidu Attention Index (BAI) of H7N9 discussion trends on Baidu website in China from March 31 to April 24, 2013.