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Completed No phase listed Observational

Natural History of Systemic and Nasal Mucosal Immunity After Influenza Vaccination in a Pediatric Population

ClinicalTrials.gov ID: NCT04963166

Public ClinicalTrials.gov record NCT04963166. 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.

ClinicalTrials.gov public records Last synced May 20, 2026, 8:48 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Study identification

NCT ID
NCT04963166
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Enrollment
65 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
2 Years to 17 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 23, 2021
Primary completion
Jul 21, 2022
Completion
Dec 19, 2023
Last update posted
Apr 7, 2026

2021 – 2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
National Institute of Allergy and Infectious Diseases (NIAID) Bethesda Maryland 20892

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 NCT04963166, 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 Apr 7, 2026 · Synced May 20, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04963166 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →