Published on in Vol 25 (2023)
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/39054, first published
.
![Engagement With the Centers for Disease Control and Prevention Coronavirus Self-Checker and Guidance Provided to Users in the United States From March 23, 2020, to April 19, 2021: Thematic and Trend Analysis Engagement With the Centers for Disease Control and Prevention Coronavirus Self-Checker and Guidance Provided to Users in the United States From March 23, 2020, to April 19, 2021: Thematic and Trend Analysis](https://asset.jmir.pub/assets/6dd3a0cfeeee8f92c005366a58c9dc6a.png 480w,https://asset.jmir.pub/assets/6dd3a0cfeeee8f92c005366a58c9dc6a.png 960w,https://asset.jmir.pub/assets/6dd3a0cfeeee8f92c005366a58c9dc6a.png 1920w,https://asset.jmir.pub/assets/6dd3a0cfeeee8f92c005366a58c9dc6a.png 2500w)
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