Do air purifiers in classrooms work? Here's what a new study by Massachusetts researchers found. | NYGazet

A new study finds that simply having a HEPA air purifier in the classroom may not be enough to keep students safe from respiratory illnesses.

A new study finds that simply having an air filter in the classroom may not be enough to keep students safe from respiratory illnesses. Mass General Brigham researchers analyzed data taken from 200 classrooms, some of which had portable HEPA purifier... [1361 chars]