Real-time COVID-19 Indicators

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The COVIDcast results are provided on an AS-IS, AS-AVAILABLE basis and are not intended for diagnostic or treatment purposes, or for guidance on any type of travel. Please refer to the Terms of Use.

About COVIDcast

COVIDcast displays signals related to COVID-19 activity levels across the United States, derived from a variety of anonymized, aggregated data sources made available by multiple partners. Much of this data is freely available through Delphi's COVIDcast API.

Each signal may reflect the prevalence of COVID-19 infection, mild symptoms, or more severe disease over time. Each signal can be presented at multiple geographic resolutions: state, county, and/or metropolitan area.

All these signals taken together may suggest heightened or rising COVID-19 activity in specific locations. They will provide useful inputs to CMU’s pandemic forecasting system (to be announced at a later date).

Read more about our methodology

Researchers

photo of Ryan Tibshirani

Ryan Tibshirani
Lead Researcher, Delphi COVID-19 Response Team
Associate Professor, Department of Statistics and Machine Learning Department
Carnegie Mellon University

photo of Roni Rosenfeld

Roni Rosenfeld
Lead Researcher, Delphi COVID-19 Response Team
Professor and Head, Machine Learning Department
School of Computer Science
Carnegie Mellon University

photo mosaic of Delphi team

Delphi COVID-19 Response Team

We are grateful to the following partners, collaborators, data providers and technology platforms for their sustained and ongoing contributions to this project:

  • Facebook
  • Google
  • Amazon Web Services
  • Quidel
  • Qualtrics
  • U.S. Centers for Disease Control and Prevention
  • CMU Dietrich College of Humanities and Social Sciences
  • CMU School of Computer Science