Cholera toxin B subunit (CTB) is non-toxic. It has strong immunogenicity and can enhance the immune efficiency and specialties as mucosal adjuvant.

• 霍乱毒素B亚单位(CTB)是霍乱毒素的非毒性部分,有很强的免疫原性,作为免疫佐剂能增强抗原蛋白的免疫效力和免疫特异性。