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COVID-19 Open Research Dataset (CORD-19)


A Free, Open Resource for the Global Research Community

In response to the COVID-19 pandemic, the Allen Institute for AI has partnered with leading research groups to prepare and distribute the COVID-19 Open Research Dataset (CORD-19), a free resource of over 45,000 scholarly articles, including over 33,000 with full text, about COVID-19 and the coronavirus family of viruses for use by the global research community.
This dataset is intended to mobilize researchers to apply recent advances in natural language processing to generate new insights in support of the fight against this infectious disease. The corpus will be updated weekly as new research is published in peer-reviewed publications and archival services like bioRxivmedRxiv, and others.
CORD-19 Explorer is a quick and easy way to search the CORD-19 corpus, or you can download the complete data below.

Participate in the CORD-19 Challenge

Kaggle is hosting the COVID-19 Open Research Dataset Challenge, a series of important questions designed to inspire the community to use CORD-19 to find new insights about the COVID-19 pandemic including the natural history, transmission, and diagnostics for the virus, management measures at the human-animal interface, lessons from previous epidemiological studies, and more.

Download CORD-19

By downloading this dataset you are agreeing to the Dataset License. Specific licensing information for individual articles in the dataset is available in the metadata file.
Additional licensing information is available on the PMC websitemedRxiv website and bioRxiv website.
Download here:
Latest release contains papers up until 2020-03-27 with over 33,000 full text articles. (Changelog from previous release.)

Each paper is represented as a single JSON object. The schema is available here and previous versions of the dataset are available here.
The dataset contains all COVID-19 and coronavirus-related research (e.g. SARS, MERS, etc.) from the following sources:

  • PubMed’s PMC open access corpus using this query (COVID-19 and coronavirus research)
  • Additional COVID-19 research articles from a corpus maintained by the WHO
  • bioRxiv and medRxiv pre-prints using the same query as PMC (COVID-19 and coronavirus research)

We also provide a comprehensive metadata file of 44,000 coronavirus and COVID-19 research articles with links to PubMedMicrosoft Academic and the WHO COVID-19 database of publications (includes articles without open access full text).
We recommend using metadata from the comprehensive file when available, instead of parsed metadata in the dataset. Please note the dataset may contain multiple entries for individual PMC IDs in cases when supplementary materials are available.
This repository is linked to the WHO database of publications on coronavirus disease and other resources, such as Microsoft Academic Graph, PubMed, and Semantic Scholar. A coalition including the Chan Zuckerberg Initiative, Georgetown University’s Center for Security and Emerging TechnologyMicrosoft Research, and the National Library of Medicine of the National Institutes of Health came together to provide this service. We also thank and acknowledge Unpaywall for providing open access license information for portions of the dataset.
When including CORD-19 data in a publication or redistribution, please cite the dataset as follows:
In bibliography:
COVID-19 Open Research Dataset (CORD-19). 2020. Version 2020-03-20. Retrieved from Accessed YYYY-MM-DD. doi:10.5281/zenodo.3715505

In text:
(CORD-19, 2020)
The Allen Institute for AI and particularly the Semantic Scholar team will continue to provide updates to this dataset as the situation evolves and new research is released.

Contribute to CORD-19

To maximize impact and increase full text available to the global research community, we are actively encouraging publishers to make their research content openly available for AI projects like this that benefit the common good.
If you’re a publisher interested in contributing to the CORD-19 corpus, please contact
Join the active discussion and share ideas in the CORD-19 forum.
For research inquiries, please contact (Kyle Lo) and (Lucy Lu Wang).

Resources from the Allen Institute for AI

Additional Resources

Publisher Resources

Compute Resources

AWS Resources and programs supporting COVID-19 research:


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