Late in the course of the infection, millions of new virus particles are formed and enclosed in polyhedron crystals.

在感染后期，数以百万计的新病毒颗粒形成并包裹在多面体晶体中。

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When a disease breaks out, the official (官方的) naming of a new virus is often late and may lead to many problems.

一种疾病爆发时，新病毒的官方命名往往发布较慢，并且可能会导致许多问题的发生。

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This is a brand new virus.

这是一个全新的病毒。

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Scientists are working on vaccines to protect against the new virus.

VOA: special.2009.06.10

So, Hepatitis is already infecting cells of their liver, their liver is actively making new virus.

乙肝病毒已经感染了他们的肝细胞,他们的肝脏正在迅速地产生新的病毒

耶鲁公开课 - 生物医学工程探索课程节选

So maybe you could figure out how to use what we know about molecular biology, to engineer a new virus that's still immunogenic, but not pathogenic any longer.

也许你能指出如何使用,分子生物学的有关知识,来设计一个既能产生免疫性,但又不再有致病性的新病毒

耶鲁公开课 - 生物医学工程探索课程节选

Another problem is the absence of visible illness in poultry infected with the new virus.

FORBES: We're Not Prepared For China's Deadly Bird Flu

And because it's a relatively new virus, most dogs don't have immunity to resist it.

WSJ: A New Breed of Flu Shot to Avoid Getting Sick as a Dog

Meantime, the movement of horses is being restricted following the discovery of a new virus last month.

CNN: ON DEADLY GROUND