艾滋病病毒经证实能突变成抗药型病毒。
HIV has proven to possess an ability to mutate into drug-resistant forms.
H5N1型病毒不稳定并不断变化。
H5N1型病毒如何传播？
H5N1型病毒将迅速在全球传播。
一旦出现大流行型病毒，就将为时太晚。
第五个是HIV - 1型病毒的先祖黑猩猩病毒。
The fifth was the chimpanzee virus that is the direct ancestor of HIV-1.
印度尼西亚在控制H5N1型病毒方面依然还有很长的路要走。
Indonesia still has a long way to go to control the H5N1 virus.
据目前所知，H5和H7型病毒以低致病形式传给禽类。
On present understanding, H5 and H7 viruses are introduced to poultry flocks in their low pathogenic form.
禽流感A型病毒已被确认为病因，但是尚未确定病毒株。
Avian influenza virus type a has been identified as the cause, but the virus strain has not yet been determined.
猪流感的种类很多，现在的病例则与A型病毒的H1N 1类有关。
There are many different types of swine flu and the current cases involve the H1N1 strain of type a influenza virus.
最近的这次暴发证实没有国家对H5N1型病毒具有免疫力。
This latest outbreak confirms that no country is immune to H5N1.
最近的事件表明一些候鸟有可能涉及直接传播高致病型H5N1型病毒。
Recent events make it likely that some migratory birds are now implicated in the direct spread of the H5N1 virus in its highly pathogenic form.
世卫组织合作中心将继续就H5N1型病毒样本开展风险评估。
WHO Collaborating Centres will continue risk assessment on H5N1 virus samples.
会议还将确定防备H5N1型病毒所需的技术和财政要求并对它们加以排序。
The meeting will also identify and prioritize the technical and financial requirements for combating the H5N1 virus.
目前在尼日利亚确认的H5N1型病毒对人类健康和生计造成威胁。
The H5N1 virus now confirmed in Nigeria poses a risk to human health and livelihood.
我们准备帮助所有的非洲国家采取措施降低H5N1型病毒的风险。
We are ready to help all African countries take measures to reduce the risks of H5N1.
没有流行病学证明显示，有人在食用经妥善烹煮的家禽或蛋类后感染H5N1型病毒。
There is no epidemiological evidence to indicate that people have been infected with H5N1 virus following consumption of properly cooked poultry or eggs.
迄今的所有证据表明，与病禽或死禽密切接触是人类感染H5N1型病毒的主要原因。
All evidence to date indicates that close contact with sick or dead birds is the principal source of human infection with the H5N1 virus.
H5N1型病毒在禽鸟中的感染暴发有可能在尼日利亚国内传播并向邻国扩散。
There is a risk that outbreaks of H5N1 infection in birds could spread within Nigeria and into neighbouring countries.
这也真实地反映在另一种罕见的人类艾滋病上，这种艾滋病是由HIV - 2型病毒而引发的。
That is also true in a rarer form of human AIDS caused by a virus called HIV-2.
与2007年同期相比，2008年这一血清型病毒导致的新病例报告数目增加了9倍。
In 2008, a nine-fold increase in new cases caused by this serotype has been reported compared with the same period in 2007.
在孟加拉国，64个区中有21个受到H5N1型病毒的感染，而且情况似乎在日益恶化。
In Bangladesh, 21 out of 64 districts have been infected with H5N1 and the situation seems to be worsening.
如果H5N1型病毒发生变异，使其容易地在人间传播并得不到遏制，这就可能引发一场流感大流行。
If the H5N1 virus changes to allow it to pass easily from person to person, and it goes unchecked, this could trigger an influenza pandemic.
H5N1型病毒向新地区家禽的扩散具有重要性，因为它增加了进一步发生人类病例的机会。
The spread of H5N1 to poultry in new areas is of concern as it increases opportunities for further human cases to occur.
随着禽类H5N1型病毒被逐步控制，除埃及和印度尼西亚之外，仅有零星的人类患病报告。
Reports of human cases occur only very sporadically, apart from Egypt and Indonesia, following the progressive control of H5N1 in poultry.
这就是为什么如果家禽中出现H 5或H7型病毒，始终令人担忧，即使最初的感染迹象很轻微。
This is why the presence of an H5 or H7 virus in poultry is always cause for concern, even when the initial signs of infection are mild.
这就是为什么如果家禽中出现H 5或H7型病毒，始终令人担忧，即使最初的感染迹象很轻微。
This is why the presence of an H5 or H7 virus in poultry is always cause for concern, even when the initial signs of infection are mild.
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