Rubella -
a contagious viral disease that is a milder form of measles lasting three or four days; can be damaging to a fetus during the first trimester
Rubella -
A mild disease caused by the Rubella virus infecting the respiratory tract, and characterised by a rash of pink dots, fever and swollen lymph nodes.
Wikipedia
Rubella, commonly known as German measles, is a disease caused by the rubella virus. The name "rubella" is derived from the Latin, meaning little red. Rubella is also known as German measles because the disease was first described by German physicians in the mid-eighteenth century.