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Showing content from https://pubmed.ncbi.nlm.nih.gov/32179660/ below:

Epidemiology of COVID-19 Among Children in China

. 2020 Jun;145(6):e20200702. doi: 10.1542/peds.2020-0702. Epub 2020 Mar 16. Epidemiology of COVID-19 Among Children in China

Affiliations

¹ Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
² Child Health Advocacy Institute, China Hospital Development Institute, Shanghai Jiao Tong University, Shanghai, China.
³ Contributed equally as co-first authors.
⁴ Schools of Public Health and Medicine, Xian Jiaotong University, Xian, China.
⁵ Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; tongshilu@scmc.com.cn.
⁶ Institute of Environment and Population Health, School of Public Health, Anhui Medical University, Hefei, China; and.
⁷ School of Public Health, Nanjing Medical University, Nanjing, China.

PMID: 32179660
DOI: 10.1542/peds.2020-0702

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Epidemiology of COVID-19 Among Children in China

Yuanyuan Dong et al. Pediatrics. 2020 Jun.

. 2020 Jun;145(6):e20200702. doi: 10.1542/peds.2020-0702. Epub 2020 Mar 16. Affiliations

¹ Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
² Child Health Advocacy Institute, China Hospital Development Institute, Shanghai Jiao Tong University, Shanghai, China.
³ Contributed equally as co-first authors.
⁴ Schools of Public Health and Medicine, Xian Jiaotong University, Xian, China.
⁵ Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; tongshilu@scmc.com.cn.
⁶ Institute of Environment and Population Health, School of Public Health, Anhui Medical University, Hefei, China; and.
⁷ School of Public Health, Nanjing Medical University, Nanjing, China.

PMID: 32179660
DOI: 10.1542/peds.2020-0702

Item in Clipboard

Abstract

Objective: To identify the epidemiological characteristics and transmission patterns of pediatric patients with the 2019 novel coronavirus disease (COVID-19) in China.

Methods: Nationwide case series of 2135 pediatric patients with COVID-19 reported to the Chinese Center for Disease Control and Prevention from January 16, 2020, to February 8, 2020, were included. The epidemic curves were constructed by key dates of disease onset and case diagnosis. Onset-to-diagnosis curves were constructed by fitting a log-normal distribution to data on both onset and diagnosis dates.

Results: There were 728 (34.1%) laboratory-confirmed cases and 1407 (65.9%) suspected cases. The median age of all patients was 7 years (interquartile range: 2-13 years), and 1208 case patients (56.6%) were boys. More than 90% of all patients had asymptomatic, mild, or moderate cases. The median time from illness onset to diagnoses was 2 days (range: 0-42 days). There was a rapid increase of disease at the early stage of the epidemic, and then there was a gradual and steady decrease. The disease rapidly spread from Hubei province to surrounding provinces over time. More children were infected in Hubei province than any other province.

Conclusions: Children of all ages appeared susceptible to COVID-19, and there was no significant sex difference. Although clinical manifestations of children's COVID-19 cases were generally less severe than those of adult patients, young children, particularly infants, were vulnerable to infection. The distribution of children's COVID-19 cases varied with time and space, and most of the cases were concentrated in Hubei province and surrounding areas. Furthermore, this study provides strong evidence of human-to-human transmission.

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Conflict of interest statement

POTENTIAL CONFLICT OF INTEREST: The authors have indicated they have no potential conflicts of interest to disclose.

Comment in

COVID-19 in Children: Initial Characterization of the Pediatric Disease.
Cruz AT, Zeichner SL. Cruz AT, et al. Pediatrics. 2020 Jun;145(6):e20200834. doi: 10.1542/peds.2020-0834. Epub 2020 Mar 16. Pediatrics. 2020. PMID: 32179659 No abstract available.
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Stower H. Stower H. Nat Med. 2020 Apr;26(4):465. doi: 10.1038/s41591-020-0846-z. Nat Med. 2020. PMID: 32273605 No abstract available.
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Salemi JL, Menard J, Pathak EB. Salemi JL, et al. Early Hum Dev. 2020 May;144:105052. doi: 10.1016/j.earlhumdev.2020.105052. Epub 2020 Apr 24. Early Hum Dev. 2020. PMID: 32360077 Free PMC article. No abstract available.
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André MC, Pätzug K, Bielicki J, Gualco G, Busi I, Hammer J. André MC, et al. Pediatr Pulmonol. 2020 Nov;55(11):2842-2843. doi: 10.1002/ppul.25030. Epub 2020 Sep 4. Pediatr Pulmonol. 2020. PMID: 32886863 No abstract available.