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为评价四价口服恒河猴轮状病毒（RRV）活疫苗的安全性。免疫原性及服苗后的排毒情况,用双盲法将26名6～22周龄婴幼儿随机分为两组:疫苗组和安慰剂组。其中疫苗组18名婴儿又分为大剂量组（10人）和小剂量组（8人）,安慰剂组8人。四价恒河猴轮状病
To evaluate the safety of the tetravalent oral rhesus rotavirus (RRV) live vaccine. Immunogenicity and detoxification after serving the vaccine, the 26-week-old infants from 6 to 22 weeks old were randomly divided into two groups: vaccine group and placebo group by double-blind method. The vaccine group of 18 infants were divided into high-dose group (10) and low-dose group (8), placebo group of 8 people. Tetravalent rhesus rot disease