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Queensland schools told to boost natural airflow to limit COVID, but experts say it is not enough

Queensland schools are being encouraged to increase natural airflow in classrooms, or hold lessons outdoors, when school resumes to help reduce COVID-19 transmission — but air quality experts say the measures do not go far enough.
The guidelines do not encourage schools to use carbon dioxide monitors — a proxy measurement for ventilation — to assess ventilation risks, or to install HEPA filters, which air quality experts have been strongly recommending.

Last year, ABC Radio Brisbane reported that a high school teacher had recorded a high-risk ventilation level more than four times the recommended level in his classroom, prompting fresh calls for ventilation audits.

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Primary school kids carrying backpacks on a rainy winter day.

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