Home air filters slash COVID spread in families, study finds

NCT ID NCT05777720

First seen Feb 20, 2026 · Last updated May 15, 2026 · Updated 10 times

Summary

This study tested whether using box fans with special filters and improving home ventilation could stop COVID-19 from spreading to other family members. Researchers followed 214 people living in shared homes. They measured who got sick and checked air quality to see if the changes helped reduce the virus's spread.

Disclaimer Read more

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.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for COVID19 are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Contacts and locations

Locations

  • San Mateo Medical Center

    San Mateo, California, 94403, United States

  • Stanford University Medical Center

    Stanford, California, 94305, United States

Conditions

Explore the condition pages connected to this study.