Funding for this research was provided by:
Henan Province Key R&D and Promotion (182102310226)
Henan Province Medical Science and Technology Joint construction Project (LHGJ20190711)
National Key Research and Development Program of China (2021YFC2302003)
Natural Science Foundation of Beijing (L192014)
Received: 18 April 2022
Accepted: 13 September 2022
First Online: 14 December 2022
: This study was approved by the Ethics Review Committee of the Henan Center for Disease Control and Prevention (CDC) Institutional Review Board (Approval Number: IVDC2016-004). Written informed consent regarding anonymizing the publication of VDPV infection and the use of clinical samples was obtained from the parents of the children involved in this study. All experimental protocols were approved by the Henan CDC, and the study were performed in accordance with the approved guidelines.
: Not applicable.
: The authors declare that they have no competing interests.