日本爆发流感与麻疹疫情，值年节出国旅游旺季，台中市各医疗院所近日涌入接种流感、麻疹、腮腺炎、德国麻疹三合一混合疫苗（MMR）民眾，MMR疫苗出现短缺，价格由每剂600元涨至800元，还有民眾问到1剂1000元；台中荣总小儿感染科主任陈伯彦证实疫情一来 ...

Infants who received early MMR vaccination before 8.5 months of age exhibited waning protection later in life and blunted antibody responses to subsequent vaccination.