MMR stands for measles, mumps, and rubella . The MMR vaccine is a safe and effective vaccine that protects against these three serious viral infections. Why get the MMR vaccine? The MMR vaccine protects against serious diseases that can cause severe health complications The vaccine limits the spread of outbreaks The vaccine prevents the spread of rubella to pregnant women, which could cause serious birth defects or death in the baby By Dr. Saman S.,8 Feb,2025