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Authors
Li, Hongxin https://orcid.org/0000-0001-9377-722X
Zhou, Lin
Zhao, Yong
Ma, Lijuan
Xu, Jing
Liu, Yan
Qin, Qin
Hu, Jin
Liu, Xiaoyan
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Funding
Funding for this research was provided by:
Research Foundation of Capital Institute of Pediatrics (QN-2016-09)
Research Foundation of Capital Institute of Pediatrics (PY-2020-05)
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Article History
Received: 6 April 2020
Accepted: 6 July 2020
First Online: 16 July 2020
Compliance with ethical standards
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: The authors declare that they have no conflicts of interest.
: This study was approved by the ethics committee of the Capital Institute of Pediatrics. Written consent forms were obtained from the participants’ guardians before collecting the pharyngeal swab samples, and anonymity of the participants was guaranteed.
: Not applicableDisclaimerThe study sponsors had no role in study design; collection, analysis, and interpretation of data; writing the report; or the decision to submit the report for publication.
