摘要
This report describes survey results of ventilation strategies reported by U.S. K-12 public schools to help prevent COVID-19 spread.
詳細內容
This report describes survey results of ventilation strategies reported by U.S. K-12 public schools to help prevent COVID-19 spread.
關鍵發現
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萃取時間: 2026-02-05T15:12:21Z 資料來源: CDC MMWR