Published on in Vol 6, No 2 (2020): Apr-Jun
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19509, first published
.
![Machine Learning to Detect Self-Reporting of Symptoms, Testing Access, and Recovery Associated With COVID-19 on Twitter: Retrospective Big Data Infoveillance Study Machine Learning to Detect Self-Reporting of Symptoms, Testing Access, and Recovery Associated With COVID-19 on Twitter: Retrospective Big Data Infoveillance Study](https://asset.jmir.pub/assets/74adb2e5ff9231e466ecc5c36be2bc2a.png 480w,https://asset.jmir.pub/assets/74adb2e5ff9231e466ecc5c36be2bc2a.png 960w,https://asset.jmir.pub/assets/74adb2e5ff9231e466ecc5c36be2bc2a.png 1920w,https://asset.jmir.pub/assets/74adb2e5ff9231e466ecc5c36be2bc2a.png 2500w)
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