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作者对南非乡村的63名新生儿接种乙型肝炎疫苗,于出生后第1周、1个月后和6月龄时肌肉注射3次,每次剂量为10μg。
The authors vaccinated 63 newborns in rural South Africa with hepatitis B vaccine and injected intramuscularly three times at the first week, one month and six months after birth at a dose of 10 μg per dose.