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Case Reports
. 2020 Apr;26(4):502-505.
doi: 10.1038/s41591-020-0817-4. Epub 2020 Mar 13.

Characteristics of pediatric SARS-CoV-2 infection and potential evidence for persistent fecal viral shedding

Yi Xu #  1 , Xufang Li #  1 , Bing Zhu #  2 , Huiying Liang #  3   4 , Chunxiao Fang  1 , Yu Gong  1 , Qiaozhi Guo  5 , Xin Sun  5 , Danyang Zhao  5 , Jun Shen  1 , Huayan Zhang  1   4   6 , Hongsheng Liu  7 , Huimin Xia  8   9   10 , Jinling Tang  11   12 , Kang Zhang  13   14   15 , Sitang Gong  16   17
Affiliations
Case Reports

Characteristics of pediatric SARS-CoV-2 infection and potential evidence for persistent fecal viral shedding

Yi Xu et al. Nat Med. 2020 Apr.

Abstract

We report epidemiological and clinical investigations on ten pediatric SARS-CoV-2 infection cases confirmed by real-time reverse transcription PCR assay of SARS-CoV-2 RNA. Symptoms in these cases were nonspecific and no children required respiratory support or intensive care. Chest X-rays lacked definite signs of pneumonia, a defining feature of the infection in adult cases. Notably, eight children persistently tested positive on rectal swabs even after nasopharyngeal testing was negative, raising the possibility of fecal-oral transmission.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1. Chronology of major epidemiological events and molecular testing results of n = 10 independent pediatric patients confirmed with SARS-CoV-2 infection.
a, Dates of exposure, illness onset and sampling and real-time RT–PCR results of nasopharyngeal swabs and rectal swabs. The total number of patients was n = 10 and real-time RT–PCR was assayed only once for one type of sample at one time point from one independent patient. Colors in the figure represent individual patients. b, Chronological changes in Ct values of Orf1ab and N genes using real-time RT–PCR after hospital admission. The Ct values of Orf1ab and N genes on real-time RT–PCR detected in rectal swabs obtained from n = 10 independent patients (i) and Ct values in nasopharyngeal swabs from n = 10 independent cases (ii). The Ct value is supposed to be inversely related to viral RNA copy numbers and a value of 40 means the virus is molecularly undetectable.
Extended Data Fig. 1
Extended Data Fig. 1. An example of chest x-ray and computed tomography (CT) scan images at hospital admission (case4).
An example of chest x-ray and computed tomography (CT) scan images at hospital admission (case4).
See this image and copyright information in PMC

Comment in

  • COVID-19: faecal-oral transmission?
    Hindson J. Hindson J. Nat Rev Gastroenterol Hepatol. 2020 May;17(5):259. doi: 10.1038/s41575-020-0295-7. Nat Rev Gastroenterol Hepatol. 2020. PMID: 32214231 Free PMC article. No abstract available.

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