无论是人、鸟还是猪，作为宿主都能为流感病毒提供接触、交换遗传物质和形成新病毒的场所。
The host, whether it is a person, bird, or pig, provides a place for influenzas to make contact, exchange genetic material, and form new viruses.
我们正在研究一种很少人知晓的共生互动关系，在这种关系中，细菌保护其宿主免受病原体侵害，而不是那种更为常见的为其提供营养方面。
We are studying one of the few known symbiotic interactions in which the bacterial partner defends its host against pathogens — rather than providing a nutritional benefit, which is more common.
该州反对派领导人曾呼吁扑杀该病毒的自然宿主——蝙蝠。
The state opposition leader had called for a cull of bats, the virus natural host.
这个问题的关键点是，病毒必须从另外一个已经感染此病毒的身上感染另一个人，并且病毒通常有其一对一的特殊宿主。
The crucial bit of the puzzle is that viruses have to be caught from another infected individual and they are usually species-specific.
每年杀死全世界60万人的乙肝病毒就是利用RNA进行复制，这种病毒的基因物质通常可以在宿主的肝细胞内找到。
Hepatitis b, a disease that kills some 600, 000 people worldwide each year, replicates using RNA, and bits of the virus's genetic material are frequently found inside a host's liver cells.
每年杀死全世界60万人的乙肝病毒就是利用RNA进行复制，这种病毒的基因物质通常可以在宿主的肝细胞内找到。
Hepatitis b, a disease that kills some 600,000 people worldwide each year, replicates using RNA, and bits of the virus's genetic material are frequently found inside a host's liver cells.
该模型可预测多少病毒粒子引起感染以及受感染宿主中，如植物，昆虫或人，有多少种不同病毒基因型存在。
This model predicts how many virus particles have caused an infection and how many different virus genotypes are present in infected hosts, such as plants, insects or people.
人是各种致疾的细菌、原生动物以及病毒的宿主。
Man is host to a variety of pathogenic bacteria, protozoa, and viruses.
探讨汉坦病毒感染对人胚肺细胞的影响，能为阐明汉坦病毒与宿主细胞相互作用的分子机制提供依据。
Study the effect of hantavirus on primary human embryonic pulmonary fibroblasts (HEPFs) will get evidence for the molecular mechanism of interaction between hantavirus and host cells.
在这个宿主身体里面，并存著两个心智，外星人的和宿主的。而故事就在这一个特别的状况之下展开。
In the host, there were two minds, the alien and the one that the host originally had. That's how the story began.
就像疟原虫在蚊子和人之间循环一样，弓形虫在啮齿类动物和猫科宿主动物之间循环，它分别在这两种动物中度过不同的生命阶段。
Like Plasmodium, which cycles between mosquitoes and man, Toxoplasma cycles between its rodent and feline hosts, living out different phases of its existence in each.
这意味着如果病毒处在可感染的宿主细胞之外的象夏天这样温暖的环境之中，它们会很快死亡，几乎不能感染另一个人。
This means that if the Influenza viruses are in a warm environment but outside an infectable host, such as is the case in summer, they die rather quickly and can hardly infect another person.
这意味着如果病毒处在可感染的宿主细胞之外的象夏天这样温暖的环境之中，它们会很快死亡，几乎不能感染另一个人。
This means that if the Influenza viruses are in a warm environment but outside an infectable host, such as is the case in summer, they die rather quickly and can hardly infect another person.
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