Can a simple smell test spot COVID-19 at home?

NCT ID NCT05040659

First seen Mar 17, 2026 · Last updated May 19, 2026 · Updated 4 times

Summary

This study involves 1,000 adults who use special smell cards at home to measure their sense of smell. The goal is to see if these tests can reliably detect smell changes caused by COVID-19 and track recovery over time. Participants include people with known smell loss, those without symptoms, and healthy controls. Results may help design future treatments for smell recovery.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Locations

  • Massachusetts General Hospital

    Boston, Massachusetts, 02129, United States

Conditions

Explore the condition pages connected to this study.