Purifiers alone not enough to cut viral exposure in classrooms
Installing HEPA air purifiers in classrooms may not significantly reduce students’ exposure to respiratory viruses, according to new research in America.
New standard for measuring harmful by-products from air cleaners
Demand for air cleaners surged during the COVID-19 pandemic but while designed to improve air quality, some air cleaners can also generate unwanted by-products that may be harmful in large amounts.