# An Evaluation of PCV13 Vaccine Schedules, Comparing Impact of 2+1 vs 3+0 on Pneumococcal Carriage in Blantyre, Malawi

> **NCT04078997** · — · COMPLETED · sponsor: **University of Liverpool** · enrollment: 3507 (actual)

## Conditions studied

- 13-valent Pneumococcal Vaccine
- Streptococcus Pneumoniae

## Interventions

- **OTHER:** nasopharyngeal swab

## Key facts

- **NCT ID:** NCT04078997
- **Lead sponsor:** University of Liverpool
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-07-21
- **Primary completion:** 2024-02-16
- **Final completion:** 2024-02-16
- **Target enrollment:** 3507 (ACTUAL)
- **Last updated:** 2025-09-04

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04078997

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04078997, "An Evaluation of PCV13 Vaccine Schedules, Comparing Impact of 2+1 vs 3+0 on Pneumococcal Carriage in Blantyre, Malawi". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04078997. Licensed CC0.

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