# Assessment of Viral Shedding in Children Previously in Receipt of Multiple Doses of Live Attenuated Influenza Vaccine (LAIV) Compared to Influenza Vaccine-naïve Controls

> **NCT03104790** · PHASE4 · COMPLETED · sponsor: **Public Health England** · enrollment: 373 (actual)

## Conditions studied

- Influenza Vaccination
- Influenza
- Vaccination

## Interventions

- **BIOLOGICAL:** Fluenz Tetra (The two groups are defined by immunisation history, all receive the same intervention in the study)

## Key facts

- **NCT ID:** NCT03104790
- **Lead sponsor:** Public Health England
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-10-02
- **Primary completion:** 2018-03-13
- **Final completion:** 2018-03-13
- **Target enrollment:** 373 (ACTUAL)
- **Last updated:** 2019-08-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03104790

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03104790, "Assessment of Viral Shedding in Children Previously in Receipt of Multiple Doses of Live Attenuated Influenza Vaccine (LAIV) Compared to Influenza Vaccine-naïve Controls". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT03104790. Licensed CC0.

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