Funding for this research was provided by:
National Natural Science Foundation of China (81701565)
National Natural Science Foundation of China (81973100)
Qian Technology Plan (2018043)
Received: 25 June 2019
Accepted: 28 November 2019
First Online: 7 December 2019
Ethics approval and consent to participate
: This study was reviewed and approved by the Ethics Committee of Beijing Children’s Hospital Affiliated to Capital Medical University and Qianjiang Central Hospital. Written informed consent was obtained from all parents for their neonates’ blood to be used for research on infectious diseases.
: Not applicable.
: The authors declare that they have no competing interests.