Rubella and congenital rubella. In Conn's Current Therapy 2012. (Book Chapter)
Rubella is normally a mild self-limiting rash-fever illness. Infection during pregnancy, however, may result in fetal death or congenital defects known as congenital rubella syndrome (CRS). Rubella virus is a single-stranded RNA virus (family Togaviridae) of which only one serotype, but several genotypes are known.
2012 Jan. Bope ET and Kellerman RD, eds. Philadelphia, London: Saunders Elsevier, 2012. p.153-55. ISBN 978-1-4557-0738-6.