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Evaluation of COVID-19 Immune Barrier and Reinfection Risk

NCT05774093 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 300

Last updated 2023-03-17

No results posted yet for this study

Summary

The goal of this observational study is to evaluate the protective effect of immune barrier on secondary infection after COVID-19 (coronavirus disease 2019) vaccination or COVID-19 virus Omicron B A. 5.2 strain infection by dynamically monitoring the COVID-19 antibody titer, cellular immune function and the occurrence of secondary infection of healthy participants, mainly medical staff in our hospital, to understand the cross protective effect of COVID-19 antibody on different variants of Omicron, and explore the best time to use COVID-19 vaccine to strengthen immunity after Omicron mutant infection.

Conditions

  • COVID-19 Infection
  • Immunization; Infection

Sponsors & Collaborators

  • Sun Yat-sen University

    lead OTHER

Eligibility

Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2023-03-06
Primary Completion
2024-04-30
Completion
2027-07-31

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05774093 on ClinicalTrials.gov