[Translation] A randomized, blinded, positive vaccine-controlled phase I clinical trial to evaluate the safety and preliminary immunogenicity of the 20-valent pneumococcal conjugate vaccine in healthy people aged 2 months (minimum 6 weeks) to 55 years old
初步观察20价肺炎球菌结合疫苗在2月龄(最小6周龄)至55周岁健康人群中接种的安全性和免疫原性。
[Translation] A preliminary observation was conducted on the safety and immunogenicity of the 20-valent pneumococcal conjugate vaccine in healthy people aged 2 months (minimum 6 weeks) to 55 years.