Safety and immunogenicity of bovine rotavirus vaccine RIT 4237 in 3-month-old infants.

Safety and immunogenicity of bovine rotavirus vaccine RIT 4237 in 3-month-old infants.
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牛轮状病毒疫苗 RIT 4237 对 3 个月大婴儿的安全性和免疫原性。

DOI:
10.1016/s0022-3476(86)80271-2
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发表时间:
1986
期刊:
The Journal of pediatrics
影响因子:
--
通讯作者:
Yolken,R
Yolken,R
中科院分区:
--
文献类型:
--
作者:
Maldonado,Y;Hestvik,L;Wilson,M;Townsend,T;O'Hare,J;Wee,S;Yolken,R

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为了评估牛轮状病毒疫苗的安全性和免疫原性,我们将减毒株RIT 4237以双盲方式随机分配到三组中的一组,在3月龄和5月龄时接受安慰剂、107 TCID 50/ml疫苗病毒或108 TCID 50/ml疫苗病毒。疫苗接种始于1984年初秋,一直持续到1985年春季。49名婴儿接受了一剂疫苗或安慰剂; 43名接受了两剂疫苗或安慰剂。在接种疫苗后2个月和3个月,接种任一剂量疫苗的儿童的同源几何平均中和抗体滴度显著高于安慰剂接种者。在6月龄时,接种任一剂量疫苗病毒后,牛轮状病毒的累积血清转化率为87%。与安慰剂组相比,两个疫苗组的血清转化率显著更高(P<0.01)。没有不良反应与疫苗接种有关。RIT 4237疫苗在美国的婴幼儿中接种时似乎是安全的和具有免疫原性的。
To assess the safety and immunogenicity of bovine rotavirus vaccine, we administered attenuated strain RIT 4237 to 54 inner-city infants randomized to one of three groups in a double-blind fashion to receive a dose at 3 and 5 months of age of either placebo, vaccine virus at 107TCID50/ml, or vaccine virus at 108TCID50/ml. Vaccination began in early fall 1984, and continued through spring 1985. Forty-nine infants received one dose of vaccine or placebo; 43 received both doses of vaccine or placebo. At 2 and 3 months after vaccination, homologous geometric mean neutralizing antibody titers were significantly higher in children who received either dose of vaccine compared with placebo recipients. Cumulative seroconversion to bovine rotavirus after either dose of vaccine virus was 87% at 6 months of age. Seroconversion was significantly higher (P<0.01) in both vaccine groups compared with the placebo group. No ill effects were associated with vaccine administration. RIT 4237 vaccine appears to be safe and immunogenic when administered to young infants living in the United States.
RIT 4237 牛轮状病毒减毒活疫苗对轮状病毒流行前接种的婴儿的临床疗效。
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