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Published on: November 4, 2025
Antenatal rubella serosurvey in Maputo, Mozambique
Jorge Barreto1, Isadora Sacramento, Susan E Robertson
1Department of Immunology, Instituto Nacional de Saúde, Maputo, Mozambique.
Tropical Medicine & International Health : TM & IH
|March 24, 2006
Summary
A study found high rubella IgG antibody prevalence (95.3%) in pregnant women in Maputo, Mozambique. Antibody titres varied by age and urban/suburban residence, suggesting complex rubella epidemiology.
Area of Science:
- Epidemiology
- Immunology
- Public Health
Background:
- Rubella, a viral illness, poses risks during pregnancy.
- Understanding rubella immunity is crucial for maternal and child health.
- Mozambique lacks comprehensive data on rubella epidemiology.
Purpose of the Study:
- To determine the prevalence and antibody titres of rubella IgG in pregnant women in Maputo, Mozambique.
- To describe the epidemiology of rubella in this population.
Main Methods:
- A cross-sectional serosurvey was conducted.
- 974 pregnant women attending antenatal clinics in Maputo were included.
- Rubella IgG antibody prevalence and titres were assessed.
Main Results:
- A high seroprevalence of rubella IgG antibodies was found in 95.3% of pregnant women.
- Prevalence was not significantly affected by age or residence.
- Mean antibody titres were higher in younger women (<20 years) and those in urban areas.
Conclusions:
- The high seroprevalence of rubella IgG antibodies indicates widespread immunity among pregnant women in Maputo.
- The source of immunity (recent or past exposure) requires further investigation.
- Further studies on congenital rubella syndrome burden are recommended.
