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

> **NCT04963166** · — · COMPLETED · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)** · enrollment: 65 (actual)

## Conditions studied

- Influenza Immunity

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04963166
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-09-24
- **Primary completion:** 2022-07-22
- **Final completion:** 2023-12-20
- **Target enrollment:** 65 (ACTUAL)
- **Last updated:** 2026-04-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04963166

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04963166, "Natural History of Systemic and Nasal Mucosal Immunity After Influenza Vaccination in a Pediatric Population". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04963166. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*