19,267
Participants
Start Date
July 2, 2022
Primary Completion Date
April 5, 2024
Study Completion Date
April 5, 2024
23-valent pneumococcal polysaccharide vaccine
23-valent pneumococcal polysaccharide vaccine
Influenza vaccine
Influenza vaccine
Jiangsu Provincial Center for Disease Prevention and Control, Nanjing
Sinovac Biotech Co., Ltd
INDUSTRY