Experten streiten, Eltern fordern – und für die meisten Schüler in den Klassenräumen stellt sich auch diesen Herbst die Frage: Hilft zum Schutz vor Corona nur Fenster auf?
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Kein Bundesland garantiert Präsenzunterricht
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Experten streiten über mögliche Alternative zum Lüften
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Seipp sieht als einzige Lösung das Stoßlüften mit Ventilator
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Städte und Kommunen entscheiden über Luftreinigungsgeräte
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Der „Luftfilterkalkulatur“ soll bei der Modellwahl helfen
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Luftfiltergeräte wären auch nach der Pandemie sinnvoll
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