The MMR vaccine is highly effective. Most vaccinated people will not develop measles, mumps or rubella when they are exposed to the diseases. But, in the case a vaccinated person does develop one ...

The MMR vaccine protects against measles, mumps and rubella, or German measles. It is a live virus vaccine, which means it contains a weakened version of the germs that cause the diseases.

Combination vaccines have been used in the U.S. since the 1940s, with some becoming so common that they are generally known by their initials: MMR (measles, mumps, and rubella) and DTaP ...

Measles cases are surging in Texas, and Arkansas health professionals are urging residents to get the MMR vaccine.So far this year, there have been 378 confirme.