Diphtheria,Tetanus and Acellular Pertussis Combined Vaccine, Adsorbed(Changchun BCHT Biotechnology Co.)

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.

主要目的： 评价受试者分别于2月龄、4月龄、6月龄完成吸附无细胞百白破（三组分）联合疫苗（Diphtheria,Tetanus and Acellular Pertussis (Three Components) Combined Vaccine, Adsorbed，DTacP）基础免疫的免疫原性。 次要目的： 评价受试者在18～24月龄时进行DTacP加强免疫的免疫原性； 评价所有受试者接种DTacP的安全性。