Effect of portable HEPA filters on COVID-19 period prevalence: an observational quasi-interventional study in German kindergartens.

ABSTRACT:

Objectives

The aim of the study was to evaluate the effect of high-efficiency particulate air (HEPA) filters on COVID-19 period prevalence in kindergartens.

Design

The observational study follows an intervention design with the intervention group using HEPA filters and the control group not.

Setting

The study was conducted in 32 (10 intervention, 22 control) kindergartens (daycare centres) in Rhineland Palatinate (Germany).

Participants

Data of 2360 children (663 intervention, 1697 control) were reported by the kindergarten heads. Data were collected on institutional level without any identifying information on individuals. Thus, all children of all facilities were included; however, no demographic data were recorded.

Interventions

The study followed a q

SUBMITTER: Falkenberg T 

PROVIDER: S-EPMC10387617 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature