[Translation] A phase I clinical trial to evaluate the safety and tolerability of 24-valent pneumococcal polysaccharide conjugate vaccine in people aged 18 years and above, and a phase II clinical trial to evaluate the safety and immunogenicity of 24-valent pneumococcal polysaccharide conjugate vaccine in people aged 65 years and above
Ⅰ期:评价24价肺炎球菌多糖结合疫苗在18周岁及以上人群中接种的安全性和耐受性。Ⅱ期:评价24价肺炎球菌多糖结合疫苗在65周岁及以上人群中接种的安全性和免疫原性。
[Translation] Phase I: To evaluate the safety and tolerability of 24-valent pneumococcal polysaccharide conjugate vaccine in people aged 18 years and above. Phase II: To evaluate the safety and immunogenicity of 24-valent pneumococcal polysaccharide conjugate vaccine in people aged 65 years and above.