'''Rubella''', or [[German]] [[measles]], is a viral infection that is milder than normal measles but as damaging to the unborn child when it occurs early in pregnancy.<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#r</ref>
+
'''Rubella''', or [[German]] [[measles]], is a viral infection that is milder than normal measles but as damaging to the unborn child when it occurs early in pregnancy.<ref>https://www.cdc.gov/vaccines/about/terms/glossary.htm#r</ref>