問題詳情

42 發展淋病(gonorrhea)疫苗最主要的困難為何?
(A)淋病球菌無法於體外培養
(B)淋病球菌體表成分不具抗原性
(C)淋病球菌無法在人體產生保護性抗體
(D)淋病球菌體表抗原性極易改變代號:1101頁次:8-4

參考答案

答案:D
難度:簡單0.714286
統計:A(2),B(1),C(0),D(20),E(0)

用户評論

Chris】評論

Efforts to develop an effective vaccine against gonorrhoea have been unsuccessful despite more than a century of research. Natural infection does not induce protective immunity, with repeated infection common. Challenges for vaccine development include the absence of a correlate of protection, the absence of a suitable animal model, subversion and evasion of the immune response by the gonococcus to favour survival, and high antigenic variability.但2017年在lancet上有一篇論文發表指出用Neisseria meningitis的外膜做為疫苗可以有效的降低淋病的感染率,醫學一直在進步!論文連結:https://www.thelancet....