Lack of SARS-CoV-2 in environmental samples collected from September 2020-February 2021 in a university that followed CDC reopening guidance

Hygiene and environmental health advances Pub Date : 2023-09-01 DOI:10.1016/j.heha.2023.100061

Hongwan Li , Sripriya Nannu Shankar , Chiran T. Witanachchi , John A. Lednicky , Julia C. Loeb , Md. Mahbubul Alam , Z. Hugh Fan , Michael Lauzardo , Karim Mohamed , Arantzazu Eiguren-Fernandez , Chang-Yu Wu

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Abstract

This study aimed to provide environmental surveillance data for evaluating the risk of acquiring SARS-CoV-2 in public areas with high foot traffic in a university. Air and surface samples were collected at a university that had the second highest number of COVID-19 cases among public higher education institutions in the U.S. during Fall 2020. A total of 60 samples were collected in 16 sampling events performed during Fall 2020 and Spring 2021. Nearly 9800 students traversed the sites during the study period. SARS-CoV-2 was not detected in any air or surface samples. The university followed CDC guidance, including COVID-19 testing, case investigations, and contact tracing. Students, faculty, and staff were asked to maintain physical distancing and wear face coverings. Although COVID-19 cases were relatively high at the university, the possibility of acquiring SARS-CoV-2 infections at the sites tested was low.

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在一所遵循疾病预防控制中心重新开放指导的大学中，从2020年9月至2021年2月收集的环境样本中缺乏SARS-CoV-2

本研究旨在为评价某高校高人流量公共区域感染SARS-CoV-2风险提供环境监测数据。2020年秋季，在美国公立高等教育机构中COVID-19病例数第二高的一所大学收集了空气和地表样本。在2020年秋季和2021年春季进行的16次抽样活动中共收集了60份样本。在研究期间，近9800名学生穿越了这些地点。在任何空气或表面样本中均未检测到SARS-CoV-2。该大学遵循了疾病预防控制中心的指导，包括COVID-19检测、病例调查和接触者追踪。学生、教职员工被要求保持身体距离，并戴上口罩。虽然该大学的COVID-19病例相对较高，但在检测地点感染SARS-CoV-2的可能性很低。

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