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Could a special light keep nursing home residents safer from flu and COVID?

NCT ID NCT05084898

Completed Prevention Sponsor: Kenneth Rockwood Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether far-UVC light, a safe type of ultraviolet light, can reduce respiratory infections like flu and COVID-19 in long-term care facilities. The trial involved 550 elderly residents who are at higher risk due to age and health conditions. The light was used as an extra cleaning method alongside usual hygiene practices.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
Far-UVC light (222 nm wavelength) as an additional disinfection method
What this could lead to
If effective, far-UVC light could become a simple, safe way to reduce the spread of flu and COVID-19 in nursing homes, protecting vulnerable elderly residents.
What could go wrong
This is a completed trial, but results are not yet widely confirmed. The study was relatively small (550 participants) and only in long-term care settings, so it may not apply to other environments.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

COVID-19 viral infectious disease viral respiratory tract infection prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

COVID-19 RESPIRATORY INFECTION INFLUENZA -LIKE ILLNESS RESPIRATORY VIRUS INFECTION

Contacts and locations

Locations

  • Northwood Halifax Campus

    Halifax, Nova Scotia, b3k3s5, Canada

  • The Cove Guest Home

    Sydney, Nova Scotia, B1S 2G1, Canada

  • Windsor Elms Village

    Windsor, Nova Scotia, b0p1l0, Canada

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Other studies related to the condition(s) this trial covers.