然而，流感病毒进化如此之快，以致于这种“免疫记忆”只能提供部分保护。
Flu viruses, however, evolve so fast that this "immune memory" provides only partial protection.
这些病毒在变异的每个阶段都会遇到猪自身免疫系统的顽强抵抗。
At every stage, the virus would meet stiff resistance from the pigs' immune systems.
苹果电脑一直以它的免疫电脑病毒和流氓软件而自傲。
Apple has long boasted of the Mac's immunity to viruses and malware.
你越健康，你的免疫系统就能更好地抵御病毒的侵袭。
The healthier you are, the better your immune system will protect you against the virus.
对病毒的免疫能力随着时间减弱，他说。
The levels of immune response tend to wane with time, he said.
这一研究结果提供了关键证据，证实此病毒是人体免疫系统遇到的新病毒。
This finding provided critical evidence that the virus was new to the human immune system.
如果把这种恐吓比作一种病毒的话，他们对它免疫。
Comparing the threat to a kind of disease, they were immune to it.
带有这种突变的人对于艾滋病毒感染存在或多或少的免疫能力。
People with this mutation are more or less immune to HIV infection.
艾滋病毒会削弱免疫系统。
这种病毒抑制身体的免疫系统。
在这个过程中，他们获得了对天花病毒的免疫力。
你的免疫功能越强，你受病毒侵害的几率就越小。
The stronger the immune function you have, the less the viral injury you get.
超过95%的病例是自限性清除病毒，并且对再次感染免疫。
More than 95% of cases are self-limited with clearance of virus and immunity to reinfection.
不会。HIV病毒是一种人类免疫缺陷病毒。
它是由于感染了人类免疫缺陷病毒后引起的一种致死性传染病。
It is due to infection of human immunodeficiency virus after a fatal infectious disease.
艾滋病病毒侵入人体后通过什么途径摧毁免疫系统？ 当艾滋病病毒通过性接触传播时, 病毒必须穿过组织屏障进入人体。
What route does HIV take after it enters the body to destroy the immune system？
滴虫感染可引起人体免疫缺陷病毒的传播。
The infection facilitates transmission of the human immunodeficiency virus.
肺部和免疫系统是病毒主要作用的靶器官。
Lungs and immune system were main target organs attacked by the virus.
单个分散的细胞坏死或凋亡，由于病毒或免疫复合物的作用。
Primary change Single scattered cell necrosis or apoptosis. Direct effect of virus or immunocomplex.
就这样，病毒一代代地复制、繁殖，免疫细胞不断死亡。
In this way, the virus generation to generation copy, reproduction, the immune cells died.
大多数的妇女在导致癌症前，免疫系统就已经将病毒破坏了。
In most women, the immune system destroys the virus before it causes cancer.
提纯获得了纯化病毒，并免疫家兔制备出抗血清。
The virus was purified and antiserum was prepared by immunized rabbit.
他介绍说，艾滋病是由人类免疫缺陷病毒感染引起的。
He said that AIDS is from human immunodeficiency virus infection.
艾滋病病毒简称HIV，是一种能攻击人体免疫系统的病毒。
AIDS virus called HIV, is a body's immune system to attack the virus.
目的探讨人类免疫缺陷病毒（HIV）血源传播来源问题。
间接免疫荧光检测到病毒蛋白的表达。
The protein expression of chimeric virus was identified by indirect immunofluorescence analysis.
探讨病毒性丁型肝炎的红细胞免疫。
OBJECTIVE to probe into the red cell immune function in viral hepatitis d.
探讨病毒性丁型肝炎的红细胞免疫。
OBJECTIVE to probe into the red cell immune function in viral hepatitis d.
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