Published on in Vol 8, No 10 (2020): October
Preprints (earlier versions) of this paper are
available at
https://www.medrxiv.org/content/10.1101/2020.06.16.20126466v1, first published
.
![Syndromic Surveillance Insights from a Symptom Assessment App Before and During COVID-19 Measures in Germany and the United Kingdom: Results From Repeated Cross-Sectional Analyses Syndromic Surveillance Insights from a Symptom Assessment App Before and During COVID-19 Measures in Germany and the United Kingdom: Results From Repeated Cross-Sectional Analyses](https://asset.jmir.pub/assets/249a223e021b1242ac16629203d1b736.png 480w,https://asset.jmir.pub/assets/249a223e021b1242ac16629203d1b736.png 960w,https://asset.jmir.pub/assets/249a223e021b1242ac16629203d1b736.png 1920w,https://asset.jmir.pub/assets/249a223e021b1242ac16629203d1b736.png 2500w)
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