Age and Response to Flu Vaccines
Public ClinicalTrials.gov record NCT03328325. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Evaluation of the Effects of Age, Prior Exposure, and Previous Vaccination on the B Cell Response to Inactivated Influenza Vaccine in Healthy Adults and Children
Study identification
- NCT ID
- NCT03328325
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Enrollment
- 152 participants
Conditions and interventions
Conditions
Interventions
- Influenza Virus Quadrivalent Inactivated Vaccine Biological
Biological
Eligibility (public fields only)
- Age range
- 9 Years to 99 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 13, 2017
- Primary completion
- Feb 8, 2020
- Completion
- Apr 19, 2020
- Last update posted
- May 23, 2021
2017 – 2020
United States locations
- U.S. sites
- 2
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Rochester General Hospital - Infectious Disease Unit | Rochester | New York | 14621-3001 | — |
| University of Rochester Medical Center - Strong Memorial Hospital - Infectious Diseases | Rochester | New York | 14642-0001 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03328325, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 23, 2021 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03328325 live on ClinicalTrials.gov.