Clinical and epidemiological investigation of a child with asymptomatic COVID-19 infection following reoccurrence. - Qiu-yu Lin; Guo-tian Lin; Fan Zhang; Xia-Yu Xiang; Yue-Hua Zhang; Jia-Chong Wang; Yu-ming Jin; Yuan-ping Hai; Tao Wu; Zhi-Yue Lv; Wei Xiang (Health Inf. Sci. Syst., 2022)