We will not know the full impact of #COVID19 infections until _all_ symptoms (not only those on the official symptoms tracker app) are tracked for a significant proportion of affected individuals https://www.telegraph.co.uk/global-health/science-and-disease/revealed-long-term-severe-effects-covid-19-can-go-months/

See eg this thread on reddit where covid positive people are congratulated by their fitbit for their achievements thanks to randomly elevated heart rate - would be interesting for fitbit users to generate a dataset for research #COVID19
https://www.reddit.com/r/COVID19positive/comments/gog8dl/day_70_new_symptom_extremely_high_resting_heart/