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作者对两种甲型肝炎病毒 (HAV)疫苗VAQTA(由 Merck药厂生产 )和 HAVRIX(由 Smith Kline公司生产 )的免疫原性进行了比较。选 1 5～ 30岁、抗 - HAV阴性的健康志愿者 ,随机分成 4组 ,每组 2 0～ 2 1人。A组于 0、1和 6月肌肉接种 3针 2 5 U的 VAQTA;B组于0、1和 6月肌肉接种 3针
The authors compared the immunogenicity of two Hepatitis A virus (HAV) vaccines VAQTA (manufactured by Merck Pharmaceuticals) and HAVRIX (manufactured by Smith Kline). A healthy volunteers aged 15 to 30 years with anti-HAV negative were randomly divided into 4 groups of 20 ~ 21 each. Group A was given 3 doses of 25 U VATATA on days 0, 1 and 6; Group B received 3 doses of