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COVID RADAR app: Description and validation of population surveillance of symptoms and behavior in relation to COVID-19.

Willian J van DijkNicholas H SaadahMattijs E NumansJiska Joëlle AardoomTobias N BontenMenno BrandjesMichelle BrustSaskia le CessieNiels H ChavannesRutger A MiddelburgFrits RosendaalLeo G VisserJessica Christina Kiefte-de Jong
Published in: PloS one (2021)
The COVID Radar app allows voluntarily self-reporting of COVID-19 related symptoms and social distancing behaviors. Symptoms and risk behavior increase prior to a positive SARS-CoV-2 test, and user-reported case counts match closely with nationally-reported case counts in regions with high user engagement. These results suggest the COVID Radar may be a valid instrument for future surveillance and potential predictive analytics to identify emerging hotspots.
Keyphrases
  • sars cov
  • coronavirus disease
  • respiratory syndrome coronavirus
  • public health
  • healthcare
  • mental health
  • emergency department
  • physical activity
  • big data
  • social media
  • machine learning
  • current status
  • drug induced