Home air filters may slash COVID-19 spread, new study shows
NCT ID NCT05777720
First seen Feb 20, 2026 · Last updated Jun 15, 2026 · Updated 15 times
Summary
This study tested whether using box fans with special filters and improving home ventilation can lower the chance of COVID-19 spreading from one sick person to others living in the same house. Over 200 people from households with at least 4 members took part. Researchers measured new COVID-19 cases after one week to see if the air-cleaning methods helped prevent infection.
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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.
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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Locations
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San Mateo Medical Center
San Mateo, California, 94403, United States
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Stanford University Medical Center
Stanford, California, 94305, United States
Conditions
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