State Approaches to Contact Tracing during the COVID-19 Pandemic

Updated January 2, 2022

Contact tracing is an essential strategy to curb the spread of COVID-19. Across the country, states have developed, deployed, and adapted their contact tracing approaches in response to the pandemic. NASHP and Mathematica partnered to develop this interactive map. Click on a state to learn about its tracing program or use the tabs on the left to compare states’ approaches.

Explore a Mathematica resource on the demographics, methodology, and implications for contact tracing and a Mathematica podcast, Understanding the Variation in States’ COVID-19 Contact Tracing Approaches.

Please email Elinor Higgins if you have questions or updates to share.

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