只有A型流感病毒可造成大流行。
禽流感是由A型流感病毒引起的传染性疾病。
Bird flu is a contagious disease caused by TYPE a flu virus.
禽流感是一种由甲型流感病毒所引起的禽鸟传染病。
Avian influenza (" bird flu ") is an infectious disease of birds caused by type a strains of the influenza virus.
我们没有看到和其他H1N1型流感病毒有关的因素。
We are not seeing the factors that were associated with other H1N1 viruses, " Besser said.
目的：研究银荆感冒颗粒对甲型流感病毒的抑制作用。
Objective: to investigate the inhibitory effect Yinjing Ganmao Granule on Influenza a Virus.
在4月下旬，世卫组织宣布出现一种新的甲型流感病毒。
In late April, WHO announced the emergence of a novel influenza a virus.
一段时间以来，已知野水禽是所有A型流感病毒的自然宿主。
Wild waterfowl have been known for some time to be the natural reservoir of all influenza a viruses.
猪流感病毒是一种A型流感病毒，因而列入正粘病毒组中。
Swine influenza virus is a type A influenza virus and as such is placed in the orthomyxovirus group.
今天WHO称新型病毒比季节型流感病毒接触传染性更强。
And, today the WHO said the new virus appears to be more contagious than seasonal flu virus.
禽流感是由正粘病毒科中a型流感病毒引起的禽烈性传染病。
Avian influenza is a violent infection which is caused by orthomyxoviridae type a influenza virus.
目的：制备甲型流感病毒的抗血清作为流感病毒亚型鉴定之用。
Objective: To make antiserum against influenza a virus for influenza virus subtype identification.
另外，我们也已经发现A型流感病毒和呼吸道合孢病毒同时爆发。
In addition, simultaneous outbreaks of influenza a and respiratory syncytial viruses have been found.
甲型流感病毒除感染人外，还可感染猪、马、海洋哺乳动物和禽类。
Influenzavirus a can infect swine, horse, mammal in ocean, poultry and human.
美国今年发现的最常见的季节性流感病毒是A型流感病毒(H1N1)。
The most common seasonal flu virus found in the United States this year is type a (H1N1).
CDC的官方网站称，猪流感是由猪a型流感病毒所致的猪呼吸道疾病。
Swine flu is a respiratory disease of pigs caused by type a flu viruses, the CDC's Web site says.
禽流感是由A型流感病毒引起鸡、火鸡、鸭、鹅、鹌鹑等家禽的传染病。
Avian influenza is an infectious disease in chicken, Turkey, duck, goose, partridge and so on.
目的了解甲型流感病毒H9N2亚型毒株在深圳地区鸡群和人群中的分布。
Objective To understand the distribution of influenza a H9N2 virus in chickens and men in Shenzhen area.
阐明2006年四川省流行的B型流感病毒血凝素抗原性及其基因变异情况。
To identify the antigenic characteristics and genetic variations of hemagglutinin genes from Influenza B virus, which circulated in Sichuan Province in 2006.
猪流感是由A型流感病毒引起的猪呼吸道传染病，病毒的定期爆发会引起猪患病。
It is a contagious respiratory disease of pigs caused by type a influenza viruses. Pigs are hit by regular outbreaks.
猪流感是一种发生在猪身上的高度传染性急性呼吸道疾病，由A型流感病毒引起。
Swine influenza (swine flu) is an acute viral infection of the respiratory tract in pigs caused by type A influenza virus.
目的：从机体的免疫应答来探讨甲型流感病毒对小鼠s180腹水瘤的作用机制。
Objective: To investigate the immunological mechanism of influenza a virus for murine S180 ascites sarcoma.
结论初步认为该镇三间学校出现流感局部暴发，病原体考虑为H3N2型流感病毒。
Conclusion Local flu prevail were affirmed in three schools of the town and H3N2 flu virus was the suspicion.
野生水鸟是所有甲型流感病毒的自然储存宿主，通常这些病毒对它们不具有致病性。
Wild waterfowl are the natural reservoir of all influenza a viruses, and these viruses are usually nonpathogenic in these birds.
但是现在有一像新突破，因为科学家已经发现一种抗体可以对抗所有类型的A型流感病毒。
A breakthrough has just been made, though, as scientists have discovered an antibody that combats all types of the influenza a virus.
流感是由A型流感病毒引起的急性高度接触性传染病，特别是鸡对禽流感有较高的易感性。
Avian Influenza is an acute and highly contacting infectious disease, especially for poultry to easily infect, which is caused by type AI virus.
目的筛选影响H5N1亚型甲型流感病毒对哺乳动物毒力变异的HA序列主要氨基酸位点。
Purpose To explore key amino acids sites on HA sequence which may determine the virulence of influenza a H5N1 for mammalian species.
方法用狗肾传代MDCK细胞培养法观察儿茶提取物抑制甲型流感病毒的致细胞病变作用；
Methods The inhibitory cytopathic effects (CPE) of catechu extract on influenza A virus were observed by MDCK cell culture techniques.
方法用狗肾传代MDCK细胞培养法观察儿茶提取物抑制甲型流感病毒的致细胞病变作用；
Methods The inhibitory cytopathic effects (CPE) of catechu extract on influenza A virus were observed by MDCK cell culture techniques.
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