The purpose of this study is to evaluate the immunogenicity and immune protection ofCOVID-19, especially the recently prevalent strains, against the background of currentimmunization in Chinese population
Not Provided
Other: No Interventions
No intervention
Inclusion Criteria:
1. He was infected with COVID-19 from November to December 2022;
2. Have not been infected with COVID-19 (the subject said that he was not infected and
signed the informed consent form);
3. Those who agree and sign the informed consent form.
Exclusion Criteria:
1. Missing or incomplete questionnaires that affect research results;
2. Individuals with combined dysfunction of important organs such as the heart, liver,
and lungs;
3. Mental and behavioral abnormalities;
4. Intellectual disability;
5. Under 18 years old or over 75 years old;
6. Low understanding and communication skills.
The First Affiliated Hospital of Air Force Military Medical University
Xi'an 1790630, Shaanxi 1796480, China
Not Provided