Purifiers alone not enough to cut viral exposure in classrooms – AirQualityNews
New research indicates that installing HEPA air purifiers in U.S. classrooms may not significantly lower students’ exposure to respiratory viruses. An analysis of data from 200 classrooms revealed that even with HEPA purifiers, airborne respiratory virus levels remained elevated. The study, part of the School Inner-City Asthma Intervention Study (SICAS-2), examined air samples taken from […]
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