1,920
Participants
Start Date
September 8, 2023
Primary Completion Date
March 8, 2024
Study Completion Date
July 31, 2029
23-valent pneumococcal polysaccharide vaccine
23-valent pneumococcal polysaccharide vaccine from Aimei Vacin BioPharm (Zhejiang) Co., Ltd.
control pneumococcal polysaccharide vaccine
23-valent pneumococcal polysaccharide vaccine from Merck Sharp \& Dohme Corp
RECRUITING
Sichuan Center For Disease Control and Prevention, Chengdu
Aimei Vacin BioPharm (Zhejiang) Co., Ltd.
INDUSTRY