Department of Emergency Medicine, University of California, San Francisco.
JAMA. 2020 Jul 7;324(1):94-96. doi: 10.1001/jama.2020.9843.
This cross-sectional study examines prevalence of fit test failure of 2 types of N95 mask (dome-shaped and duckbill) during extended use or reuse among health care workers over 2 days in April 2020 in the UCSF emergency department.
本横断面研究调查了 2020 年 4 月在旧金山加大医疗中心急诊室,医护人员连续使用或重复使用 2 天后,2 种 N95 口罩(拱形和鸭嘴型)的适配性测试失败率。