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Epidemiol Infect ; 148: e214, 2020 09 18.
Article in English | MEDLINE | ID: covidwho-779903


In March 2020, China had periodically controlled the coronavirus disease-19 (COVID-19) epidemic. We reported the results of health screening for COVID-19 among returned staff of a hospital and conducted a summary analysis to provide valuable experience for curbing the COVID-19 epidemic and rebound. In total, 4729 returned staff from Zhongnan Hospital of Wuhan University, Wuhan, China were examined for COVID-19, and the basic information, radiology and laboratory test results were obtained and systematically analysed. Among the 4729 employees, medical staff (62.93%) and rear-service personnel (30.73%) were the majority. The results of the first physical examination showed that 4557 (96.36%) were normal, 172 (3.64%) had abnormal radiological or laboratory test results. After reexamination and evaluation, four were at high risk (asymptomatic infections) and were scheduled to transfer to a designated hospital, and three were at low risk (infectivity could not be determined) and were scheduled for home isolation observation. Close contacts were tracked and managed by the Center for Disease Control and Prevention (CDC) in China. Asymptomatic infections are a major risk factor for returning to work. Extensive health screening combined with multiple detection methods helps to identify asymptomatic infections early, which is an important guarantee in the process of returning to work.

Asymptomatic Infections/epidemiology , Coronavirus Infections/diagnosis , Personnel, Hospital/statistics & numerical data , Pneumonia, Viral/diagnosis , Return to Work , Adolescent , Adult , Antibodies, Viral/blood , Betacoronavirus , COVID-19 , COVID-19 Testing , China/epidemiology , Clinical Laboratory Techniques , Female , Hospitals , Humans , Male , Middle Aged , Pandemics , Risk Factors , SARS-CoV-2 , Young Adult