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https://www.jmir.org/2021/4/e26940/
In “Knowledge About COVID-19 Among Adults in China: Cross-sectional Online Survey” (J Med Internet Res 2021;23(4):e26940) the authors noted three errors.
In the originally published manuscript, authors Chen Wang, Till Bärnighausen, and Simiao Chen were noted as having contributed equally to the manuscript.
This has been corrected to note that authors Fengyun Yu, Pascal Geldsetzer, Chen Wang, Till Bärnighausen, and Simiao Chen all contributed equally to the manuscript.
Additionally, the following figures have been revised with minor changes in scale and legend title.
Figure 1: Map showing the mean overall knowledge score by province.
Supplementary Figure A3: Map showing the mean overall knowledge score by province when excluding participants who reported looking up an answer online (Multimedia Appendix 1).
Map showing the mean overall knowledge score by province.
The correction will appear in the online version of the paper on the JMIR Publications website on May 12, 2021, together with the publication of this correction notice. Because this was made after submission to PubMed, PubMed Central, and other full-text repositories, the corrected article has also been resubmitted to those repositories.