Publications Using CTIS

Since 2020, academic and nonprofit researchers have used data from the US COVID-19 Trends and Impact Survey in peer-reviewed research publications.

Our primary description of the survey and its results over the first year of operation was published as part of the special feature “Beyond Cases and Deaths: The Benefits of Auxiliary Data Streams in Tracking the COVID-19 Pandemic” in PNAS:

Peer Reviewed Papers

Research publications using the survey data include:

Blog Posts and Reports

Send Your Publications

If you have used the survey data, or the aggregate data available in the COVIDcast API, to publish research results, please contact us at so we can include your work here.