[Translation] A randomized, double-blind, positive-controlled phase II clinical trial to evaluate the immunogenicity and safety of oral hexavalent reassortant rotavirus live attenuated vaccine (Vero cells) in healthy infants
评价不同剂量试验疫苗在健康婴儿中的免疫原性和安全性
[Translation] To evaluate the immunogenicity and safety of different doses of experimental vaccines in healthy infants