Measles is a serious disease very easily passed from one person to another. It causes a high fever, cough, and a rash and lasts for one to two weeks. One out of every 10 children who catch measles will also have an ear infection or pneumonia. This happens to about one out of every 1,000 children who get it. One child out of every 500 to 10,000 who gets measles dies from it.
Mumps causes fever, headache and swollen, painful glands under the jaw.
Mumps sometimes can be a very serious disease and is easily passed from person to person. Swelling or inflammation of the brain is reported in about one case out of every 200. Before there was a mumps vaccine, many children had hearing loss caused by mumps. Rubella is also called German measles. It is usually a mild disease that lasts a short time.