noun
MMR vaccine
A combined vaccine for measles, mumps, and rubella. Used in medical and public health contexts.
新三種混合ワクチンは、麻疹・おたふく風邪・風疹の予防に使われます。
The MMR vaccine is used to prevent measles, mumps, and rubella.
Refers to the older DPT (diphtheria, pertussis, tetanus) vaccine, while 新三種混合ワクチン specifically means the MMR vaccine.
Compound of 新 (new), 三種 (three kinds), 混合 (mixed), and ワクチン (vaccine). The term distinguishes the MMR vaccine from the older 三種混合ワクチン (DPT vaccine).