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About N3C

The National COVID Cohort Collaborative (N3C) was formed under the National Center for Advancing Translational Sciences (NCATS) of the NIH.

According to their website:

“The N3C is a partnership among the NCATS-supported Clinical and Translational Science Awards (CTSA) Program hubs and the National Center for Data to Health (CD2H)(link is external), with overall stewardship by NCATS. Collaborators will contribute and use COVID-19 clinical data to answer critical research questions to address the pandemic.”

The Enclave now has over one million COVID+ Patients!

Introductory Video

Data Overview

The N3C data includes but is not limited to the following data from electronic health records:

  • Demographics
  • Symptoms
  • Lab test results
  • Procedures
  • Medications
  • Medical conditions
  • Physical measurements

Data is from individuals who were tested for the coronavirus or who had related symptoms.

Visit the N3C Cohort Exploration Page and the N3C Data Discovery Engine to start exploring some publicly available cohort datasets from the Enclave.


Compatible tools for use with the N3C initiative and associated datasets. If you have any questions about the tools listed, please use the contact forms on the More Info & Contacts page.

  • Python
  • R
  • SQL
  • Atlas