2019
-
4
三、致病（pathogenesis)
侵入期（肠型期 enteral phase） 幼虫移行期（肌型期 muscular phase） 囊包形成期（恢复期 convalescent phase）
2019
-
5
四、诊断（diagnosis)
病原学诊断
The definitive diagnostic procedure is the demonstration of live larvae in a specimen of biopsied muscle. In such a procedure, usually performed during about the third or fourth week of infection, a muscle section is typically taken from the deltoid or gastrocnemius muscle, placed between two slides or in a muscle press, and examined microscopically.
-
3
生活史的特点：
1、旋毛虫是人畜共患寄生虫; 2、被寄生的宿主既为中间宿主又为终宿主；
3、必须更换宿主才能造成疾病的流行。
★Trichinella spiralis requires only one host in its
life cycle, with larval and adult stages occurring in different organs.
免疫学诊断
2019 6
五、流行
(Endemity)
传染源 传播途径
