"Measles, also known as rubeola, is a disease caused by a virus, specifically a paramyxovirus of the genus Morbillivirus." http://en.wikipedia.org/wiki/Measles
"Measles is an infectious disease caused by a virus. It spreads easily from person to person. The main symptom of measles is an itchy skin rash. The rash often starts on the head and moves down the body. Other symptoms include
* Runny nose
* Conjunctivitis (pink eye)"