Phase III Clinical Trials to Evaluate the Immunogenicity and Safety of Adsorption-free Diphtheria and Tetanus (Three-component) Combined Vaccine in 2-month-old Infants and Young Children
The immunogenicity and safety of the adsorption of cell-free diphtheria and tetanus (three-component) combined vaccine were evaluated at 2 months, 4 months and 6 months.
To Evaluate the Safety and Primary Immunogenicity of Cell-free (Three-component) Combination Vaccine for Phase I Immunogenicity in Children and Infants
A single-center and single-arm design was used to evaluate the safety and preliminary immunogenicity of the adsorbed cell-free leukiche (three-component) combination vaccine.Main purpose: To evaluate the safety of the adsorbed cell-free whitening break (three components) combination vaccine;Secondary purpose: To preliminarily evaluate the immunogenicity of the adsorbed cell-free whitening break (three components) combination vaccine.