美国加利福尼亚州帕萨迪纳市 9 家长期护理机构中 SARS-CoV-2 无症状感染比例较高，2020 年 4 月。
High Proportion of Asymptomatic SARS-CoV-2 Infections in 9 Long-Term Care Facilities, Pasadena, California, USA, April 2020.
出版信息
Emerg Infect Dis. 2020 Oct;26(10):2416-2419. doi: 10.3201/eid2610.202694. Epub 2020 Jul 2.
Abstract
Our analysis of coronavirus disease prevalence in 9 long-term care facilities demonstrated a high proportion (40.7%) of asymptomatic infections among residents and staff members. Infection control measures in congregate settings should include mass testing-based strategies in concert with symptom screening for greater effectiveness in preventing the spread of severe acute respiratory syndrome coronavirus 2.
摘要
我们对 9 家长期护理机构中冠状病毒病流行情况的分析表明，居民和工作人员中有很大比例（40.7%）为无症状感染。群体环境中的感染控制措施应包括基于大规模检测的策略，并结合症状筛查，以更有效地预防严重急性呼吸综合征冠状病毒 2 的传播。
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