# Immunity Period After One Dose of Yellow Fever Vaccine in Adults and Children (Paraiba Study)

> **NCT02555072** · PHASE4 · ACTIVE_NOT_RECRUITING · sponsor: **The Immunobiological Technology Institute (Bio-Manguinhos) / Oswaldo Cruz Foundation (Fiocruz)** · enrollment: 4761 (actual)

## Conditions studied

- Yellow Fever Vaccine
- Immunity

## Interventions

- **BIOLOGICAL:** yellow fever vaccine

## Key facts

- **NCT ID:** NCT02555072
- **Lead sponsor:** The Immunobiological Technology Institute (Bio-Manguinhos) / Oswaldo Cruz Foundation (Fiocruz)
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2016-07
- **Primary completion:** 2026-06
- **Final completion:** 2027-12
- **Target enrollment:** 4761 (ACTUAL)
- **Last updated:** 2023-06-13

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02555072

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02555072, "Immunity Period After One Dose of Yellow Fever Vaccine in Adults and Children (Paraiba Study)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02555072. Licensed CC0.

---

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