Nevertheless, in the real world, H5N1 has not yet mutated into a more contagious form, despite having had plenty of chances to mix with human flu viruses.
然而，在现实世界中，虽然H5N1与人类流感病毒发生融合的机会不少，但它没有变异成为接触传染性病毒。
Though rare, instances of limited human-to-human transmission of H5N1 and other avian influenza viruses have occurred in association with outbreaks in poultry and should not be a cause for alarm.
虽然数量很少，H5N1和其它禽流感病毒在人与人之间的有限传播事例毕竟伴随家禽疫情发生了，但这无须惊慌。
Users will still want local anti-virus software on their computers for those times when they are not online and to deal with legacy and known viruses.
但是当人们无法上网但需要查杀一些计算机上遗留的已知病毒的时候，用户还是需要使用安装在本地计算机上的杀毒软件。
We are not seeing the factors that were associated with other H1N1 viruses, " Besser said.
我们没有看到和其他H1N1型流感病毒有关的因素。
Natural sand adsorbed viruses increasing with the presence of metal cations, their contents and valence, but this positive role was not clear to modified sand adsorption viruses.
金属阳离子可促进天然砂吸附病毒，并随其浓度和价态的增加而增加，但对修饰砂作用不明显。
Swine flu viruses do not normally infect humans. However, sporadic human infections with swine flu have occurred.
一般来说猪流感并不会感染人类，但人们已经发现了少数人类感染猪流感的病例。
"what we have found is that we are not seeing the factors that were associated with the 1918 pandemic. we are not seeing the factors that were associated with other h1n1 viruses, " besser said.
我们发现，我们并没有看到和1918年流感疫情相关的因素。我们没有看到和其他h1n1型流感病毒有关的因素。
It should not be used in attempt to remove or clean USB drives that have been infected with other viruses or malware components.
它不应该在试图除去或已被感染的其他病毒或恶意软件组件清洁的US B驱动器中使用。
Viruses are usually not able to run on their own, they always need a host program where they can attach with to be started.
通常病毒自身无法自我运行，它们通常需要一个可以接触到并启动它们的主程序才可以运行。
It is likely that most people, especially those who do not have regular contact with pigs, do not have immunity to swine influenza viruses that can prevent the virus infection.
很可能多数人，尤其是不经常接触猪的人，对猪流感病毒没有可预防病毒感染的免疫力。
It is likely that most people, especially those who do not have regular contact with pigs, do not have immunity to swine influenza viruses that can prevent the virus infection.
很可能多数人，尤其是不经常接触猪的人，对猪流感病毒没有可预防病毒感染的免疫力。
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