大部分的普通感冒和流感都是病毒引起的。
Most forms of the common cold and flu are caused by viruses.
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.
在目前的试验中，大部分此类病毒都是直接注射到肿瘤位置。
Most such viruses now in trials are injected directly into the tumor.
艾滋病毒和疟疾仅发生在部分国家，而肝炎却无处不在。
HIV and malaria are only in certain countries, hepatitis is everywhere.
作为“基本卫生”一揽子计划的一部分，马拉维已迅速推广了其艾滋病毒治疗。
Malawi has rapidly expanded its HIV treatment as part of an "essential health" package.
虽然这些蛋白中并不是每一个都被证实是病毒所完全需要的，但大部分是。
While not every protein will turn out to be absolutely essential to the virus, most appear to be.
病毒有一个部分叫做干。
小昆虫可能在传播病毒的一大组成部分。
Tiny insects likely play a big part in spreading the viruses.
这是通过删除病毒的部分遗传信息实现的。
This is achieved by deleting parts of the virus' genetic information.
将一个病毒的散播部分与另一个的破坏部分结合。
反病毒软件市场的大部分一直生机勃勃。 。
Thee anti virus software market for the most part has been a thriving one.
一部分候鸟在传播该种病毒方面的作用现在仍处于研究阶段。
The part of migratory birds play in spreading the virus is still being studied.
大部分人也不知道流感病毒能够跨跨物种传播。
Most people were also unaware that the virus could transmit across different species.
第一部分为中草药抗新城疫病毒的试验研究。
The first part is about experimental study on Chinese traditional medicine resisting NDV.
同时证实部分淋巴肿瘤也是C型肝炎病毒引起。
While hepatitis C viral infection is a known risk factor for liver cancer, Dr.
同时证实部分淋巴肿瘤也是C型肝炎病毒引起。
While hepatitis C viral infection is a known risk factor for liver cancer, Dr.
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