Pertussis toxin (PTX) is an exotoxin produced by Bordetella pertussis, known tohave adjuvant properties that induce Th1 responses.

• 百日咳毒素具有提升Th1细胞免疫反应的生物学作用,使疾病的低敏感动物品系转变为疾病的敏感型。