[1] Wu F, Zhao S, Yu B, et al. A new coronavirus associated with human respiratory disease in China[J]. Nature,2020.
[2] Db J, CDC COVID- Response Team. Update: Public Health Response to the Coronavirus Disease 2019 Outbreak - United States, February 24, 2020.[J]. MMWR. Morbidity and mortality weekly report (MMWR Morb. Mortal. Wkly. Rep.),2020,69(8):216-219.
[3] World Health Organization. Coronavirus disease 2019 (COVID-19) Situation Report-50,https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200310-sitrep-50-covid-19.pdf.Acess10 Mar 2020.
[4] National Health Commission of People’s Republic of China. Diagnosis and treatment of pneumonia caused by novel coronavirus (trial version 7). http://www.nhc.gov.cn/yzygj/s7653p/202003/46c9294a7dfe4cef80dc7f5912eb1989/files/ce3e6945832a438eaae415350a8ce964.pdf.Access 4 Mar 2020.
[5] Chen F, Liu Z S, Zhang F R, et al. [First case of severe childhood novel coronavirus pneumonia in China][J]. Zhonghua Er Ke Za Zhi,2020,58(3):179-182.
[6] Zhang Y H, Lin D J, Xiao M F, et al. [2019-novel coronavirus infection in a three-month-old baby][J]. Zhonghua Er Ke Za Zhi,2020,58(0):E6.
[7] Kam K Q, Yung C F, Cui L, et al. A Well Infant with Coronavirus Disease 2019 (COVID-19) with High Viral Load[J]. Clin Infect Dis,2020.
[8] Wang D, Ju X L, Xie F, et al. [Clinical analysis of 31 cases of 2019 novel coronavirus infection in children from six provinces (autonomous region) of northern China][J]. Zhonghua Er Ke Za Zhi,2020,58(4):E11.
[9] Cai J H, Wang X S, Ge Y L, et al. [First case of 2019 novel coronavirus infection in children in Shanghai][J]. Zhonghua Er Ke Za Zhi,2020,58(2):86-87.
[10] Xiong D,Jiang J,Feng D,et al. Two cases of new coronavirus pneumonia in children[J]. Chinese Pediatric Emergency Medicine,2020(00):E2.
[11] Deng H,Zhang Y,Wang Y,et al.Two cases of new coronavirus pneumonia in children[J]. Chinese Pediatric Emergency Medicine,2020(00):E1.
[12] Feng K,Yun Y,Wang X,et al. Analysis of CT features of 15 Children with 2019 novel coronavirus infection. Chinese Journal of Pediatrics, 2020. 58(0): p. E007.
[13] Ma H,Shao J,Wang S,et al. High-resolution CT findings of children with 2019 new coronavirus pneumonia[J]. Chinese Journal of Radiology,2020(00):E2.
[14] Chen N, Zhou M, Dong X, et al. Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China: a descriptive study[J]. The Lancet,2020,395(10223):507-513.
[15] Guan W, Ni Z, Hu Y, et al. Clinical Characteristics of Coronavirus Disease 2019 in China[J]. New England Journal of Medicine,2020.
[16] Lj S, Ms M, R H, et al. Severe acute respiratory syndrome in children.[J]. The Pediatric infectious disease journal (Pediatr. Infect. Dis. J.),2007,26(1):68-74.
[17] Zm C, Jf F, Q S, et al. Diagnosis and treatment recommendations for pediatric respiratory infection caused by the 2019 novel coronavirus.[J]. World journal of pediatrics : WJP (World J Pediatr),2020.
[18] K S, Y Y, T W, et al. Diagnosis, treatment, and prevention of 2019 novel coronavirus infection in children: experts' consensus statement.[J]. World journal of pediatrics : WJP (World J Pediatr),2020.
[19] Am L, Pc N. Severe acute respiratory syndrome (SARS) in neonates and children.[J]. Archives of disease in childhood. Fetal and neonatal edition (Arch. Dis. Child. Fetal Neonatal Ed.),2005,90(6):F461-F465.
[20] Kuba K, Imai Y, Rao S, et al. A crucial role of angiotensin converting enzyme 2 (ACE2) in SARS coronavirus–induced lung injury[J]. Nature Medicine,2005,11(8):875-879.
[21] Li W, Moore M J, Vasilieva N, et al. Angiotensin-converting enzyme 2 is a functional receptor for the SARS coronavirus[J]. Nature,2003,426(6965):450-454.
[22] Jf C, Kh K, Z Z, et al. Genomic characterization of the 2019 novel human-pathogenic coronavirus isolated from a patient with atypical pneumonia after visiting Wuhan.[J]. Emerging microbes & infections (Emerg Microbes Infect),2020,9(1):221-236.
[23] Li R, Qiao S, Zhang G. Analysis of angiotensin-converting enzyme 2 (ACE2) from different species sheds some light on cross-species receptor usage of a novel coronavirus 2019-nCoV[J]. Journal of Infection,2020.
[24] Xu H, Zhong L, Deng J, et al. High expression of ACE2 receptor of 2019-nCoV on the epithelial cells of oral mucosa[J]. Int J Oral Sci,2020,12(1):8.
[25] Wang J, Zhao S, Liu M, et al. ACE2 expression by colonic epithelial cells is associated with viral infection, immunity and energy metabolism[J]. medRxiv,2020:2020-2022.
[26] Wu Y. Compensation of ACE2 Function for Possible Clinical Management of 2019-nCoV-Induced Acute Lung Injury[J]. Virol Sin,2020.
[27] Xudong X, Junzhu C, Xingxiang W, et al. Age- and gender-related difference of ACE2 expression in rat lung[J]. Life Sciences,2006,78(19):2166-2171.
[28] H L. Drug treatment options for the 2019-new coronavirus (2019-nCoV).[J]. Bioscience trends (Biosci Trends),2020.
[29] M W, R C, L Z, et al. Remdesivir and chloroquine effectively inhibit the recently emerged novel coronavirus (2019-nCoV) in vitro.[Z]. 2020.30,269-271.
[30] Ym A, A A, Hh B, et al. Treatment of Middle East Respiratory Syndrome with a combination of lopinavir-ritonavir and interferon-β1b (MIRACLE trial): study protocol for a randomized controlled trial.[Z]. 2018.19,81.
[31] Yang P, Liu P, Li D, et al. Corona Virus Disease 2019, a growing threat to children?[J]. Journal of Infection,2020.
[32] Q L, X G, P W, et al. Early Transmission Dynamics in Wuhan, China, of Novel Coronavirus-Infected Pneumonia.[J]. The New England journal of medicine (N. Engl. J. Med.),2020.