Choler a toxin(CT)is a kind of cholera-secreted heat labile enterotoxin,which is one of the best studied mucosal immunity adjuvants.

• 霍乱毒素(CT)是霍乱弧菌分泌的一种不耐热肠毒素,具有很强的免疫原性和佐剂活性,是当今研究得最多且最深入的粘膜免疫佐剂之一。