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the Five-year Antibody Persistence After Immunization With IPV, MMR and HepA-L Vaccines
Sponsor: China National Biotec Group Company Limited
Summary
This study evaluated the antibody persistence of Chinese children five years after they received four doses of sIPV, two doses of MMR vaccine and one dose of HepA-L vaccine.
Official title: Evaluation on the Persistence of Sabin Strain Inactivated Poliovirus Vaccine (Vero Cell), Combined Live Attenuated Measles, Mumps and Rubella Vaccine and Freeze-dried Live Attenuated Hepatitis A Vaccine in Chinese Children: Up to 5 Years of Follow-up
Key Details
Gender
All
Age Range
Any - Any
Study Type
OBSERVATIONAL
Enrollment
600
Start Date
2026-01-30
Completion Date
2027-12-31
Last Updated
2026-01-14
Healthy Volunteers
Yes
Conditions
Locations (6)
Si County Center for Disease Control and Prevention
Suzhou, Anhui, China
Feixiang District Center for Disease Control and Prevention
Handan, Hebei, China
Sheyang County Center for Disease Control and Prevention
Yancheng, Jiangsu, China
Chenggu County Center for Disease Control and Prevention
Hanzhong, Shaanxi, China
Yanhu District Center for Disease Control and Prevention
Yuncheng, Shanxi, China
Jiangyou Center for Disease Control and Prevention
Mianyang, Sichuan, China