Access to COVID-19 Vaccines in Countries Hosting Clinical Trials

JAMA Network Open


Media advisory: The full study and commentary are linked to this news release.

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About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.


What The Study Did: This study found that among low-, middle- and high-income countries hosting COVID-19 vaccine trials, high-income countries received proportionately more doses, enabling them to more fully vaccinate their populations.

Authors: Reshma Ramachandran, M.D., M.P.P., of the Yale School of Medicine in New Haven, Connecticut, is the corresponding author.



Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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