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. 2020 Jul 2;22(7):e18831. doi: 10.2196/18831

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©Chenjie Xu, Xinyu Zhang, Yaogang Wang. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 02.07.2020.

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 http://www.jmir.org/, as well as this copyright and license information must be included.

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The cumulative number of confirmed cases of coronavirus disease (COVID-19) (top row) and the change in COVID-19's search index (bottom row) in China.