Published on in Vol 8, No 7 (2020): July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19902, first published
.
![Health Observation App for COVID-19 Symptom Tracking Integrated With Personal Health Records: Proof of Concept and Practical Use Study Health Observation App for COVID-19 Symptom Tracking Integrated With Personal Health Records: Proof of Concept and Practical Use Study](https://asset.jmir.pub/assets/a98396230d3309d41836b1384cdeb8f9.png 480w,https://asset.jmir.pub/assets/a98396230d3309d41836b1384cdeb8f9.png 960w,https://asset.jmir.pub/assets/a98396230d3309d41836b1384cdeb8f9.png 1920w,https://asset.jmir.pub/assets/a98396230d3309d41836b1384cdeb8f9.png 2500w)
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