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Measles in a west African nomadic community
1Tufts University School of Medicine, Department of Community Health, Boston, MA.
Bulletin of the World Health Organization
|January 1, 1992
Summary
Measles immunity is low in Tuareg children, indicating limited disease transmission in this nomadic group. Targeted immunization strategies are needed for this mobile population.
Area of Science:
- Epidemiology
- Immunology
- Public Health
Background:
- Measles remains a significant public health concern globally.
- Nomadic populations present unique challenges for disease surveillance and control.
- Understanding immunity levels is crucial for effective vaccination strategies.
Purpose of the Study:
- To assess measles immunity in Tuareg nomadic children.
- To evaluate the accuracy of maternal recall for measles history.
- To inform tailored immunization programs for mobile communities.
Main Methods:
- Serological survey to detect measles antibodies.
- Analysis of antibody prevalence in children under 10.
- Assessment of maternal reports versus serological data.
Main Results:
- 57.9% of Tuareg children under 10 lacked detectable measles antibodies.
- Maternal reports of measles history showed high accuracy (93.9% PPV in under-5s).
- Low antibody levels suggest limited measles transmission within the surveyed population.
Conclusions:
- Tuareg nomads represent a reservoir of measles-susceptible individuals.
- Current measles transmission appears low in this mobile population.
- Cost-effective, adapted immunization strategies are essential for Tuareg children.
Keywords:
AfricaAfrica South Of The SaharaAge FactorsAntibodiesBiologyDelivery Of Health CareDemographic FactorsDeveloping CountriesDiseasesExaminations And DiagnosesFrench Speaking AfricaHealthHealth ServicesImmunityImmunizationImmunologic FactorsMeaslesMigrantsMigrationNigerNomadsPhysiologyPopulationPopulation CharacteristicsPopulation DynamicsPrimary Health CareViral DiseasesWestern Africa