Effectiveness of Malaria Vaccines in Reducing the Risk of Invasive Non-typhoidal Salmonella Disease
Effectiveness of Malaria Vaccines in Reducing the Risk of Invasive Non-Typhoidal Salmonella Disease (VINS)
International Vaccine Institute
10,000 participants
Oct 27, 2025
OBSERVATIONAL
Conditions
Summary
The goal of this observational study is to learn about the impact of malaria vaccination on the risk of invasive non-typhoidal Salmonella disease in children below the age of 5. Eligible participants residing in the Kisantu Health Zone (DRC) and presenting fever are enrolled in healthcare facilities and tested for malaria and iNTS. Using a case-control (test-negative) design, the researchers will look at the malaria vaccination status of participants with and without iNTS infection to determine if the malaria vaccine protects against iNTS.
Eligibility
Plain Language Summary
Simplified for easier understanding
This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.
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Interventions
R21/Matrix-M malaria vaccination was introduced by DRC Ministry of Public Health in the Expanded Program on Immunizations on 29th of October 2024. Children aged 6 months to 24 months are eligible to receive the vaccine. Vaccination follows a 4 doses schedule: a first dose administered between 6 and 11 months of age, a second dose one month after the first dose, a third dose one month after the second dose and a booster dose seven months after the third dose.
Locations(1)
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NCT07416461