CJCP     2023 25 (6):  600-605    ISSN: 1008-8830  CN: 43-1301/R Clinical features of children with coronavirus disease 2019 in different age groups during the epidemic of Omicron variant JIANG Qing-Lian, WANG Feng-Yan, ZHENG Kai-Jun Department of General Pediatrics, Zhongshan People's Hospital, Zhongshan, Guangdong 528400, China Received: 2023-02-03  Revised: null  Online: null Supporting info null