Zhang, Lin
Lei, Jie
Zhang, Jintao
Yin, Longlong
Chen, Yanjiao
Xi, Yan
Moreira, Joaquim Paulo http://orcid.org/0000-0002-3644-1022
Funding for this research was provided by:
Shandong Key Provincial Research and Development ((2021RZA01021).)
Article History
Received: 15 September 2022
Accepted: 7 November 2022
First Online: 24 November 2022
Declarations
:
: The authors declare no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results.
: The study was conducted in accordance with the Declaration of Helsinki, and approved by the Institutional Review Board (Ethics Committee) of Shandong Center for Disease Control and Prevention and all research processes met ethical standards.
: Patient consent was waived due to this follow-up being an administrative task assigned by the relevant government department to monitor all patients formerly infected by Sars-Cov-2. Due to emerging infectious diseases, the patient agreement was not required.