3,000
Participants
Start Date
November 13, 2021
Primary Completion Date
March 10, 2022
Study Completion Date
July 10, 2022
Combined vaccination with quadrivalent influenza vaccine and 23-valent pneumococcal polysaccharide vaccine
Quadrivalent influenza vaccine and 23-valent pneumococcal polysaccharide vaccine were manufactured by Sinovac Biotech Co., Ltd.The routine of administration is intramuscular injection into deltoid region.And the immunization schedule is one dose of quadrivalent influenza vaccine and one dose of 23-valent pneumococcal polysaccharide vaccine on day 0.
Separate vaccination with quadrivalent influenza vaccine and 23-valent pneumococcal polysaccharide vaccine
Quadrivalent influenza vaccine and 23-valent pneumococcal polysaccharide vaccine were manufactured by Sinovac Biotech Co., Ltd.The routine of administration is intramuscular injection into deltoid region.And the immunization schedule is one dose of quadrivalent influenza vaccine on day 0 and one dose of 23-valent pneumococcal polysaccharide vaccine on day 28 in subgroup 1,and one dose of 23-valent pneumococcal polysaccharide vaccine on day 0 and one dose of quadrivalent influenza vaccine on day 28 in subgroup 2.
Jingjiang Center for Diseases Control and Prevention, Taizhou
Taizhou City Hospital of Traditional Chinese and Western Medicine, Taizhou
Gaogang District Center for Disease Control and Prevention, Taizhou
Xinghua Center for Disease Control and Prevention, Taizhou
Sinovac Biotech Co., Ltd
INDUSTRY