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Definition MMR vaccine in American English

MMR vaccine noun

[singular] noun
/ˌem em ˈɑr ˌvæksin/
1

a drug given to young children by injection to protect them against measles, mumps, and rubella. Some parents are worried about their children being given the MMR vaccine because they believe it may cause autism.

Synonyms and related words
Definition MMR vaccine in American English