Published on in Vol 24, No 2 (2022): February
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/33959, first published
.
![Longitudinal Changes of COVID-19 Symptoms in Social Media: Observational Study Longitudinal Changes of COVID-19 Symptoms in Social Media: Observational Study](https://asset.jmir.pub/assets/aa3c5ec6f4d57e739e8b1572e339a648.png 480w,https://asset.jmir.pub/assets/aa3c5ec6f4d57e739e8b1572e339a648.png 960w,https://asset.jmir.pub/assets/aa3c5ec6f4d57e739e8b1572e339a648.png 1920w,https://asset.jmir.pub/assets/aa3c5ec6f4d57e739e8b1572e339a648.png 2500w)
1 Applied Sciences, Klick Inc, Toronto, ON, Canada