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Digital SARS-CoV-2 Detection Among Hospital Employees: Participatory Surveillance Study.

Onicio LealThomas EggerMatthias SchlegelDomenica FluryJohannes SumerWerner C AlbrichBaharak Babouee FluryStefan P KusterPietro VernazzaChristian R KahlertPhilipp P Kohler
Published in: JMIR public health and surveillance (2021)
Loss of taste was the symptom that was most aligned with COVID-19 activity at the population level. At the individual level-using machine learning-based random forest classification-reporting loss of taste and limb/muscle pain as well as the absence of runny nose and red eyes were the best predictors of COVID-19.
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