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Many U.S public schools failed to improve ventilation despite federal Covid related funding--CDC study
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Ventilation Improvements Among K–12 Public School Districts — United States, August–December 2022 -- CDC study
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Many public school districts have not taken steps to improve school building ventilation. Equitable access and support might be needed to assist school districts in their efforts to prevent respiratory infections through ventilation improvements.
Improving ventilation has been one of several COVID-19 prevention strategies implemented by kindergarten through grade 12 (K–12) schools to stay open for safe in-person learning. Because transmission of SARS-CoV-2 occurs through inhalation of infectious viral particles, it is important to reduce the concentration of and exposure time to infectious aerosols (1–3). CDC examined reported ventilation improvement strategies among U.S. K–12 public school districts using telephone survey data collected during August–December 2022....
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