Skip to main content Skip to secondary navigation
decorative background

AIMI Dataset Index

A community-driven resource of health AI datasets for machine learning in healthcare


National Covid Cohort Collaborative (N3C)

National COVID Cohort Collaborative (N3C), an open science community focused on analyzing patient-level data from many clinical centers to reveal patterns in COVID-19 patients. N3C compiles and harmonizes longitudinal electronic health record data from 65 sites in the USA and over 8 million patients.

Data Source: Collaborative (data linkage and harmonization)
Number of Sources: Multiple
Population #: 6.9+ million
Population Unit: adult and pediatric patients
Population Representation: COVID-19-positive patients
Longitudinal Observations: Yes
Accessibility: Apply for access
Permitted Uses: Non-commercial only
Fees: Free
Data Types: EHR
Funding Source: NIH
Documentation url: View Documentation »
Main url: Visit site »