Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.
Number of confirmed and probable U.S.-acquired cases of congenital rubella syndrome among children less than 1 year of age
A case definition for confirmed and probable US acquired cases of congenital rubella syndrome (CRS) is available from CDC. Imported cases of CRS are not included. CRS counts are based on year of birth, not year of report.
Additional resources about the objective