Methods Evaluate the potency of APV containing different concentrations of active PT by modified active mouse protection test ( AMPT) and determine the PT activity in the vaccine by histamine sensitization test ( HST). 方法用小鼠保护性试验(AMPT)评价不同含量活性PT疫苗样品的百日咳效力,组织胺致敏试验(HST)检测不同含量PT样品中PT活性。