screen shot map of the United States with different colors
The COVID-19 web app allows users to hover over states with their mouse to find information on cases, testing and deaths over time. (Chris Barker / UC Davis)

UC Davis Researchers Launch New COVID-19 Tracking Application

New Web App Offers User-Friendly Data Visualization and Maps of Cases and Testing

By Amy Quinton on April 8, 2020

"Researchers at the University of California, Davis, have developed a new web application that allows users to track COVID-19 cases and testing across the globe. The app, found at, offers a simple, intuitive way for users to track COVID-19 data at the country, state and county level.

'I found many of the best real-time visualizations of the COVID-19 data to be either complex dashboards or snapshots associated with media stories that made it difficult to get a simple, quick comparison of the latest COVID-19 trends,' said Christopher Barker, an associate professor of epidemiology with the UC Davis School of Veterinary Medicine who led the project.

The website app features interactive maps and graphs. It also includes a web address that tracks the user’s current view so it can be bookmarked and shared with others. The COVID-19 U.S. map allows users to hover over states with their mouse or click on a specific state to find information on cases, testing, deaths and other COVID-19 information over time. The website uses open, publicly available data from the COVID Tracking Project, Johns Hopkins University and the New York Times."

Read the full story at UC Davis News

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