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"Eine Vergleichsstudie zu Corona-Schutzmaßnamen in Elementarschulen aus den USA zeigte 2021, dass in den Schulen, in denen #Luftfilter zusammen mit Belüftung eingesetzt wurden, die Infektionszahlen am stärksten reduziert werden konnten, nämlich um 48 %.
www.cdc.gov/mmwr/volumes...
5/"

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title:

"Mask Use and Ventilation Improvements to Reduce COVID-19 ..."

description:

"To meet the educational, physical, social, and emotional needs of children, many U.S. schools opened for in-person ..."

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createdAt:

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