Influenza Immunity in Children
Public ClinicalTrials.gov record NCT02559505. 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
Understanding How the Initial Encounter With Influenza Virus Poises Children for Protective Immunity
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study evaluates how different methods of early exposure to influenza (natural infection, live attenuated influenza vaccination, inactivated influenza vaccination) initially stimulate immunity and poise the immune system to respond to a future challenge with the inactivated influenza vaccine.
Study identification
- NCT ID
- NCT02559505
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 134 participants
Conditions and interventions
Conditions
Interventions
- Seasonal IIV 0.25 mL dose Biological
- Natural influenza infection Other
- Seasonal IIV 0.5 mL dose Biological
Biological · Other
Eligibility (public fields only)
- Age range
- 3 Months to 8 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
- Sep 30, 2015
- Primary completion
- Jul 2, 2020
- Completion
- Jul 2, 2020
- Last update posted
- Sep 1, 2021
2015 – 2020
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Rochester | Rochester | New York | 14642 | — |
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 NCT02559505, 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 Sep 1, 2021 · Synced Sep 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02559505 live on ClinicalTrials.gov.