这样的案例表明，即使是通常不致命的疾病，当它们袭击一个免疫防御能力不强的社区时，也会造成毁灭性的后果。
Cases such as this demonstrate that even diseases that are not normally fatal can have devastating consequences when they strike an immunologically defenseless community.
我们还可以确定的是，一旦大部分人群感染猪流感并获得免疫力，疾病的变种将会打破目前的免疫性并成为当下的压力。
We can also say that once most people have been infected by swine flu and become immune, a variant that can beat that immunity will replace the current strain.
人们接种疫苗抵抗猪流感比任何人挑战希望容易得多，根据目前情况，人们对现在席卷全球的大流行有意想不到的一定程度的免疫性。
VACCINATING people against swine flu may be a lot easier than anyone dared hope, as it turns out that people have an unexpected degree of immunity to the pandemic now sweeping the world.
但这里有一个极限的普遍性：即使是纽约也不能免疫，有时候还可能让事情变得更糟。
But there is a universality of limits that even New York is not immune to, and maybe makes worse.
当人们对流感病毒没有预先免疫性，他们就需要几周间隔的两次注射而不是一次注射-这在当时免疫接种很多人去保护他们操作是非常困难的。
When people have no pre-existing immunity to a flu virus, they need not just one but two doses of vaccine several weeks apart - making it very hard to immunise many people in time to protect them.
适应性免疫被认为是对具体的细菌，病毒，真菌和寄生虫的反应，而先天免疫一向被认为是身体对所有致病威胁的一般反应。
Whereas adaptive immunity is thought to be a response to specific bacteria, viruses, fungi and parasites, innate immunity has always been seen as the body's general response to all threats of disease.
然而，感染还能触发另一种反应叫细胞介导免疫性，某些白细胞靶和破坏感染的细胞。
However, infections also trigger another reaction called cell-mediated immunity, in which certain white blood cells target and destroy infected cells.
研究人类免疫缺陷病毒（HIV）感染的流行程度与一些非洲国家贫富状态的根本的结构性因素之间的关系。
To investigate the relationships between the prevalence of human immunodeficiency virus (HIV) infection and underlying structural factors of poverty and wealth in several African countries.
季节性流感疫苗和大流行性流感疫苗可一起接种，而且根据全球免疫专家小组的意见，这样做具有公共卫生价值。
Seasonal influenza and pandemic influenza vaccines can be administered together, and there is a public health value in doing so, according to a global panel of immunization experts.
自从1977年以来与H1N1族相同的季节流感作为大流行病毒一直在传播，但一直到现在为止，人们认为季节流感病毒对大流行病毒株不能产生免疫性。
A seasonal flu in the same H1N1 family as the pandemic virus has been circulating since 1977, but until now it was thought that this seasonal virus did not induce immunity to the pandemic strain.
这样就在理论上形成了全球性的免疫系统，但是如果有一个人走了出来，病菌就会马上散播开来。
Global quarantine would work in theory, but if just one person evaded it the disease would be free to spread again.
免疫接种也是保障动物卫生所必不可少的方法，重组疫苗在专一性、稳定性和安全性方面比传统疫苗更具潜力。
Vaccination is also an indispensable method for maintaining animal health, and recombinant vaccines offer potential advantages over traditional vaccines in specificity, stability and safety.
免疫也是确保全球卫生安全和应对大流行性流感等新出现的感染威胁的一项关键战略。
Immunization is also a key strategy to ensure global health security and for responding to the threat of emerging infections such as pandemic influenza.
然后分析这些男人和女人的DNA，特别是查看组成一部分免疫系统的基因，即人们所知的主要组织相容性复合物（MHC）。
He then analysed the men's and women's DNA, looking in particular at the genes that build a part of the immune system known as the major histocompatability complex (MHC).
然后将GM -CSF蛋白质植入其中一组基因，这能触发针对癌细胞的免疫性攻击。
They then armed it with a gene encoding a protein called GM-CSF, which triggers an immune attack against cancer cells.
季节H1N1感染可以活化另一部分免疫系统，称为细胞介导免疫性，它可以没有预先感染就能限制疾病的严重性。
Seasonal H1N1 infection may have primed another part of the immune system, called cell-mediated immunity, which may not prevent infection but limits the severity of the disease .
好了，现在说说他的混蛋之处：他觉得懂得如何复制一个从生命开始就已经一直在自我复制的分子，就能使他有资格说艾滋病不是由获得性免疫缺陷病毒引起的。
All right, now for his dickishness: Mullis feels that figuring out how to copy a molecule that has been copying itself since life began apparently qualifies him to say that HIV doesn't cause AIDS.
一份2007年的分析指出，许多病人理解要在余生服用免疫抑制剂的必要性。
One 2007 analysis states that many patients understand the need to take immunosuppressant drugs for the remainder of their lives.
在非洲，受益于预防性大规模免疫运动的流行国家中达到这一覆盖水平的甚少。
Few endemic countries that recently benefited from a preventive mass vaccination campaign in Africa currently have this level of coverage.
近年来对季节性流感流行的感染率分析表明，一般而言，随着年龄的增长，针对流感病毒的免疫力也在日积月累地加强。
Analyses of infection rates in modern seasonal flu epidemics suggest that with age comes a subtle buildup of immunity to flu viruses in general.
但因为H3N2在人体完全取代H2N2所以在1968年之后出生的人没有一个人对H2有任何免疫性。
But because H3N2 completely replaces H2N2 in people, no one born since 1968 has any immunity to H2.
斯坦曼证明树突状细胞可激活T细胞——在适应性免疫反应中发挥重要作用的一类白细胞。
Steinman proved that dendritic cells activate t cells, a class of white blood cells that are important in adaptive immunity.
持久性有机污染物造成神经损害、免疫系统紊乱、癌症以及许多其他健康问题，因此是一种严重的环境问题。
POPs are a major environmental concern due to neurological damage, immune system disorders, cancer and a host of other health problems they cause.
溃疡分枝杆菌可生成一种破坏性毒素细菌内酯，它造成组织损坏和抑制免疫应答。
M. ulcerans produces a destructive toxin, mycolactone, which causes tissue damage and inhibits the immune response.
当然持续的消毒，阻止了感染性的病菌进一步的在免疫力低下、感染率高的医院病房传播。
Continuous sterilization, of course, keeps infectious bacterial pathogens from spreading around places like hospital wards, where immune systems are low and the chances of infection are high.
类风湿性关节炎是自身免疫疾病的一种，患者常会出现疲劳感。
[font=Times New Roman]One example of an autoimmune disease is rheumatoid arthritis.
预防性化学疗法表示着一种方法，一种呼吁，这与儿童免疫类似。
Preventive chemotherapy has an approach, and an appeal, akin to childhood immunization.
预防性化学疗法表示着一种方法，一种呼吁，这与儿童免疫类似。
Preventive chemotherapy has an approach, and an appeal, akin to childhood immunization.
应用推荐