1242CDC COVID-19 Response, Atlanta, GA, USA.
145241General Dynamics Information Technology, Falls Church, VA, USA.
J Sch Nurs. 2021 Dec;37(6):503-512. doi: 10.1177/10598405211050393. Epub 2021 Oct 4.
This study's goal was to characterize the utility of symptom screening in staff and students for COVID-19 identification and control of transmission in a school setting. We conducted a secondary analysis of cross-sectional data for staff, students and associated household members in a Georgia school district exposed to COVID-19 cases who received RT-PCR testing and symptom monitoring. Among positive contacts, 30/49 (61%) of students and 1/6 (17%) of staff reported no symptoms consistent with COVID-19. Symptom sensitivity was 30% in elementary students and 42% in middle/high students. Fifty-three percent (10/19) of symptomatic positive contacts had at least one household member test positive for SARS-CoV-2 compared with 50% (10/20) of asymptomatic positive contacts. The absence of symptoms in children is not indicative of a lack of SARS-CoV-2 infection or reduced risk of infection for associated household members. Testing all close contacts of people with COVID-19 in schools is needed to interrupt transmission networks.
本研究旨在描述在学校环境中,症状筛查在教职员工和学生中用于识别 COVID-19 并控制传播的效用。我们对接触过 COVID-19 病例并接受 RT-PCR 检测和症状监测的佐治亚学区教职员工、学生和相关家庭成员的横断面数据进行了二次分析。在阳性接触者中,30/49(61%)名学生和 1/6(17%)名教职员工报告没有与 COVID-19 一致的症状。症状敏感性在小学生中为 30%,在中学生中为 42%。53%(10/19)有症状的阳性接触者至少有一名家庭成员 SARS-CoV-2 检测呈阳性,而无症状阳性接触者为 50%(10/20)。儿童无症状并不表示其没有 SARS-CoV-2 感染或与其相关的家庭成员感染风险降低。在学校中需要对所有 COVID-19 患者的密切接触者进行检测,以阻断传播网络。