Approximately 1 in 6 cases of COVID-19 might have ended in long COVID

Embargoed until: Publicly released: 2026-05-28 16:33

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International researchers have scanned through COVID-19 cases in the US and found that close to 1 in 6 cases ended up becoming long COVID. The researchers investigated close to 458,000 patients with COVID-19 across 58 hospitals, and say they found long COVID in 16.28% of the cases. On top of this, the team also say close to 90% of these long COVID cases were representative of chronic conditions - meaning that nine in ten people with the condition had it for extended periods of time, usually six months or longer.

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Journal/
conference: JAMA Network Open

Research:Paper

Organisation/s: Massachusetts General Hospital, USA

Funder: The National Institutes of Health supported the research reported in this publication under award number R01 AI165535 from the National Institute of Allergy and Infectious Diseases, and under award number U24 TR004111 from the National Center for Advancing Translational Sciences.

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