Efficacy, safety and antibody response of sixth dose of COVID-19 vaccination in healthcare workers
Not Applicable
Recruiting
- Conditions
- healthy individual
- Registration Number
- JPRN-UMIN000051510
- Lead Sponsor
- Chiba University Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 400
Inclusion Criteria
Not provided
Exclusion Criteria
those who are unable to use the vaccine at this time due to contraindications or other reasons. those who have been deemed unsuitable as subjects by the principal investigator or co-investigator.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Antibody titer before and after the 6th vaccination.
- Secondary Outcome Measures
Name Time Method Adverse reactions due to the 6th vaccination. Serum prevalence rate and prevalence rate of previously undiagnosed patients. Preventive effect against onset. The effect of hybrid immunity due to previous infection and vaccination on preventive effect against onset and antibody levels. Relationship between the antibody titer this time and the antibody