一些皮肤病医生认为，其他种类的人类乳突病毒也可能引发皮肤癌。
Other types of HPV produce body warts-which some derms believe may be a skin-cancer risk factor.
艾滋病被认为起源于非洲，那里的黑猩猩和猿携带了一种类似HIV的病毒，叫SIV(猴免疫缺陷病毒)。
AIDS is thought to have originated in Africa, where monkeys and apes harbor a virus similar to HIV called SIV (simian immunodeficiency virus).
实验之中的种种迹象表明一个能够充分发挥免疫系统的抗病毒能力的方法，那就是同时使用两种能够辨认不同种类抗原的疫苗，一为主，一为辅，一种负责刺激免疫系统,使其做好攻击艾滋病病毒的准备;
The experimental evidence suggests that a particularly good way of activating the cell-killing arm of the immune system is to use two vaccines based on different antigens.
虫媒病严重危害人类健康，蚊媒病毒性疾病种类多，临床表现复杂且不典型。
Insect-borne diseases imperil humans and animals, and there are many mosquito-borne diseases with complicated manifestations.
虫媒病严重危害人类健康，蚊媒病毒性疾病种类多，临床表现复杂且不典型。
Insect-borne diseases imperil humans and animals, and there are many mosquito-borne diseases with complicated manifestations.
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