The MMR vaccine is used to protect children against measles, mumps and rubella.
The MMR vaccine contains weakened versions of live measles, mumps and rubella viruses. The vaccine works by triggering the immune system to produce antibodies against measles, mumps and rubella.CDC recommends all children get two doses of MMR (measles-mumps-rubella) vaccine, starting with the first dose at 12 through 15 months of age, and the second dose at 4 through 6 years of age. Children can receive the second dose earlier as long as it is at least 28 days after the first dose.
One dose of MMR vaccine is 93% effective against measles, 78% effective against mumps, and 97% effective against rubella.Two doses of MMR vaccine are 97% effective against measles and 88% effective against mumps.
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