Monitoring of influenza vaccine effectiveness among Japanese children (2020/21 - 2026/27 season)
Not Applicable
Recruiting
- Conditions
- Influenza
- Registration Number
- JPRN-UMIN000043402
- Lead Sponsor
- Osaka Metropolitan University
- Brief Summary
Vaccine effectiveness 2022/23 season: 77% for 1 dose, 2% for 2 doses
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 424
Inclusion Criteria
Not provided
Exclusion Criteria
Subjects are excluded if they: - are aged less than 6 months, as of the last October 1st before each season - have a history of anaphylaxis after influenza vaccination - had been administered influenza antivirals for the current ILI - experienced the current ILI during the hospitalization - are institutionalized - are non-residents in Osaka/Fukuoka prefecture, Japan - are judged to be inappropriate for participation by doctors in charge
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method