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联邦德国麻疹、腮腺炎和风疹(MMR)三联疫苗免疫的一项研究报道,接种过疫苗的30名9~12月龄孩子全部产生了足量的抗体。美国1975年的一项研究也指出,15月龄孩子经接种疫苗后也都产生了保护性抗体。故德国联邦卫生部免疫接种常务委员会推荐从15月龄起进行首次免疫接种。1980年在德国施行三联疫苗接种时,大多数新生儿已获得
A study in the Federal Republic of Germany on the immunization against triple, triple and triple immunizations against measles, mumps and rubella reported that all 30 9- to 12-month-old children vaccinated had all produced sufficient amounts of antibodies. A 1975 study in the United States also pointed out that 15-month-old children also developed protective antibodies after being vaccinated. Therefore, the German Federal Ministry of Health Immunization Standing Committee recommended from 15 months of age for the first immunization. Most newborns were acquired during the 1980 triple immunization in Germany