Division of Cardiovascular Medicine, Brigham and Women's Hospital, Boston, Massachusetts.
Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts.
JAMA. 2020 Aug 18;324(7):703-704. doi: 10.1001/jama.2020.12897.
This study describes SARS-CoV-2 PCR test positivity among health care workers before, during, and after implementation of a policy requiring universal masking of all health care workers and patients in a large health care system in Massachusetts.
本研究描述了在马萨诸塞州一个大型医疗体系中实施所有医护人员和患者普遍佩戴口罩政策前后,医护人员 SARS-CoV-2 PCR 检测阳性率的情况。