144
Participants
Start Date
September 7, 2020
Primary Completion Date
April 6, 2021
Study Completion Date
April 6, 2021
23-valent pneumococcal polysaccharide vaccine
This vaccine(0.5ml) is produced by Ab\&b Biotechnology Co., Ltd.JS. Subjects will receive one dose of 23-valent pneumococcal polysaccharide vaccine administered by intramuscular injection.
pneumococcal vaccine polyvalent
This vaccine(0.5ml) is produced by Merck Sharp \& Dohme Corp. Subjects will receive one dose of pneumococcal vaccine polyvalent administered by intramuscular injection.
Qi County Center for Disease Control and Prevention, Hebi
Henan Center for Disease Control and Prevention
OTHER_GOV
Ab&B Bio-tech Co., Ltd.JS
OTHER