Asymptomatic and Symptomatic Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infections in Close Contacts of Coronavirus Disease 2019 (COVID-19) Patients: A Seroepidemiological Study. (16th June 2020) - Zhang, Hong-Jun; Su, Ying-Ying; Xu, Shi-Lin; Chen, Guo-Qing; Li, Chang-Cheng; Jiang, Ren-Jie; Liu, Rong-Hai; Ge, Sheng-Xiang; Zhang, Jun; Xia, Ning-Shao; Quan, Tang