Congenital rubella syndrome: progress and future challenges

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Abstract
Since 1941, when Gregg first described the triad of deafness, cataracts and cardiac disease as the classical clinical manifestations of congenital rubella syndrome (CRS), strong efforts have been implemented around the world to achieve effective preventive strategies. In Costa Rica, vaccination against rubella started in 1972 and in 1986, the combined measles, mumps and rubella vaccine was introduced in the national schedule among 1-year-old children. This vaccination strategy shifted the susceptibility to other groups at child-bearing age. To protect this age group, in 2001 Costa Rica implemented a successful national immunization campaign targeting both men and women aged 15-39 years, followed by postpartum vaccination of women who were pregnant when the campaign was implemented. The epidemiological surveillance system of rubella and CRS cases was strengthened and it was integrated with the investigation and notification system of febrile eruptive diseases. We describe the Costa Rican experience, which has led to similar actions in other countries in Latin America. Challenges and strategies in the elimination of rubella and CRS are also discussed.

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