ASENTEEISM

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HEPA filters in classrooms: a new weapon against sick days?

Prevention ENROLLING_BY_INVITATION

This study tests whether placing HEPA air purifiers in primary school classrooms can reduce student absences caused by respiratory infections like colds and flu. About 72 schools in Norway will be randomly assigned to receive either working purifiers or sham devices. Researchers …

Matched conditions: ASENTEEISM

Phase: NA • Sponsor: Norwegian Institute of Public Health • Aim: Prevention

Last updated Jun 27, 2026 07:57 UTC

ASENTEEISM

Get alerted when new ASENTEEISM trials appear

HEPA filters in classrooms: a new weapon against sick days?