HEPA filter in a classroom at Bowling Park Primary School in Bradford, UK
University of Leeds
The introduction of air filtration devices in a small number of schools in the UK reduced the number of sick days related to COVID-19 by more than 20 per cent, the first randomized trial of such an intervention has found.
The HEPA filter, a device the size of a tall kitchen bin, was installed in a classroom at a Bradford area school. Although the results have not yet been published in a peer-reviewed journal, one of the researchers revealed a 20 percent reduction…
Source: www.newscientist.com
