Funding for this research was provided by:
Guangdong Natural Science Foundation for Distinguished Young Scholar (2020B1515020003)
Shenzhen Science and Technology Program (KQTD20200909113758004)
Shenzhen Fund for Guangdong Provincial High-level Clinical Key Specialties (SZGSP011)
Received: 16 July 2022
Accepted: 2 December 2022
First Online: 15 December 2022
: This study was approved by the ethics committee of the Third People's Hospital of Shenzhen [2022–010] and filed with the ethics committee of Southern University of Science and Technology . Information including epidemiology, laboratory examination results, clinical manifestations, vaccination, treatments and prognosis of the patients was collected from medical record database of the Third People's hospital of Shenzhen. The diagnosis and treatments of COVID-19 were carried out by professional medical doctors.
: Verbal consents were obtained from the patients following the ethical guidelines in the declaration of Helsinki.
: The authors declare that they have no competing interests.