Key points: - A decline in rubella infections during pregnancy between 2001 and 2003, with an incidence rate of 1.97 cases per 100,000 live births and 2 cases of congenital rubella syndrome reported in 2003. - Significant viral circulation persists among young adults, indicating insufficient immunity and a situation conducive to a resurgence of cases. - Efforts must continue to increase vaccination coverage among infants, adolescents, and unimmunized women of childbearing age. (R.A.)