問題詳情

76.下列有關鼠痘(mousepox)的病原,何者正確?
(A)此病毒除感染小鼠以外,還可引起多種哺乳動物的疾病
(B)主要感染皮膚與黏膜,產生皮膚痘、發炎及壞死,並不會感染肝臟與脾臟等其他器官
(C)大多藉由病毒污染的小鼠血清或其他研究用材料而感染
(D)小鼠感染後的死亡率低,因此僅須隔離感染動物,待小鼠產生抗體且恢復健康後,仍可做為實驗動物

參考答案

答案:C
難度:困難0.308
書單:沒有書單,新增

用户評論

終於.......】評論

(A)It has only been seen in mouse colonies kept for research purposes but believed that wild populations of mice and other rodents in Europe are naturally infected with ECTV.[1][2]It is the only poxvirus to cause disease naturally in mice.(B)Under these circumstances, such mice develop multifocal necrotizing lesions in many organs, particularly liver, lymphoid tissues, and spleen, as well as disseminated rash and gangrene of limbs. (C)It is believed that the natural route of infection occurs through abrasions on the skin, which means that the transmission of the virus occurs from animal to animal or through fomites, such as infected bedding in the place for keeping mice.[2](D)With a fulminant form, clinical symptoms do not have time to manifest, and the death of mice occurs unexpectedly and fast. 參考:https://en.wikipedia.org/wiki/Ectromelia_virus]參考:Poxviridae In Fenner's Veterinary Virology (Fifth Edition), 2017:ECTROMELIA VIRUS (MOUSEPOX VIRUS)