There are three types of seasonal influenza – A, B and C. Type A influenza viruses are further typed into subtypes according to different kinds and combinations of virus surface proteins.
有三种类型的季节性流感——甲型、乙型和丙型。根据病毒表面蛋白不同的种类和结合情况，甲型流感病毒又进一步分类为亚型。
This is a virus of animal origin with a unique mix of genes from swine, bird, and human influenza viruses.
这是一种由猪流感、禽流感和人流感病毒基因独特组合形成的动物源病毒。
This year’s seasonal vaccine contains three influenza viruses — one A (H3N2) virus, one regular seasonal A (H1N1) virus unrelated to the swine flu strain and one B virus.
今年的季节流感疫苗含有三种流感病毒——一种甲型（H3N2）病毒，一种与猪流感毒株无关的常规季节性甲型（H1N1）病毒，以及一种乙型病毒。
The swine flu virus is a biological organism, a unique remix of genes from older influenza viruses.
而猪流感病毒则是生物机体，它是一种由古老的流感病毒混合而成的特别的新病毒。
This specific H1N1 virus rapidly circulating around the world, then, is not a new phenomenon but simply a new strain of influenza.
因此尽管是一种新的流感病株，H1N1在世界各地的迅速传播却并非一种新现象。
In late April, WHO announced the emergence of a novel 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。
The Ministry of Health of Indonesia has announced a confirmed case of human infection with avian influenza a (H5N1) virus.
印度尼西亚卫生部宣布发生了一起新的人感染甲型H5N1禽流感病毒确诊病例。
WHO warns that these and other outbreaks could evolve into a global influenza pandemic if the avian influenza virus changes into a form which could transmit easily between people.
世卫组织警告，如禽流感病毒变为可容易地在人之间传播的种类，这些暴发和其它暴发可演变为全球性流感大流行。
Currently, the outbreaks of a highly-pathogenic avian influenza virus in poultry and other birds in several Asian countries pose the greatest threat of sparking a human influenza pandemic.
目前在若干亚洲国家发生的家禽和其它鸟类中高致病性禽流感病毒的暴发造成引发人类流感大流行的最大威胁。
The Ministry of Health of Egypt has announced two new confirmed case of human infection with avian influenza A (H5N1) virus and the death of a previously announced case.
埃及卫生部宣布了两起甲型H5N1禽流感病毒人间感染确诊病例，以及一名先前宣布病例的死亡情况。
The Ministry of Health of Cambodia has announced a new confirmed case of human infection with avian influenza a (H5N1) virus.
柬埔寨卫生部宣布了一起新确诊的甲型H5N1禽流感病毒人间感染病例。
Mexico has the highest number of deaths and infections of the flu, which is caused by a new strain of the influenza a H1N1 virus.
被称为“猪流感”的病毒是一种新的甲型H1N 1流感病毒株。墨西哥的感染和死亡人数最多。
H5N1 remains for the moment an animal disease, but the World Health Organization (WHO) has warned that H5N1 is a virus that has the potential to ignite a human influenza pandemic.
H5N 1目前仍是一种动物疾病，但世界卫生组织(WHO)已发出警告，H5N1是一种可能引发人类流感大流行的病毒。
The Ministry of Health (MoH) of the Kingdom of Cambodia has announced a confirmed case of human infection with avian influenza A(H5N1) virus.
柬埔寨王国卫生部宣布了发生了一起人感染甲型H5N1禽流感病毒确诊病例。
The Ministry of Health (MoH) of the Kingdom of Cambodia has announced a confirmed case of human infection with avian influenza A (H5N1) virus.
柬埔寨王国卫生部宣布发生了一起人感染甲型H5N1禽流感病毒确诊病例。
The new virus contains genes from a seasonal human H1N1 flu strain and a flu virus common in swine and called H3N2. The new strand is not related to the current H1N1 pandemic influenza strain.
这种病毒由季节性h1n 1人流感病毒和H3N 2猪流感病毒混合而成，但与正在全球流行的甲型H1N 1流感病毒没有联系。
The Ministry of Health of Egypt has notified WHO of a new case of human infection with avian influenza a (H5N1) virus.
埃及卫生部通报了一起人感染甲型H5N1禽流感病毒新发病例。
The Ministry of Health of Egypt has announced a new confirmed case of human infection with avian influenza a (H5N1) virus.
埃及卫生部通报了一起人感染甲型H5N1禽流感病毒新发确诊病例。
March 2011 - The Ministry of Health of Egypt has announced two new confirmed case of human infection with avian influenza A (H5N1) virus and the death of a previously announced case.
2011年3月10日-埃及卫生部宣布了两起甲型H5N1禽流感病毒人间感染确诊病例，以及一名先前宣布病例的死亡情况。
March 2011 - The Ministry of Health of Indonesia has announced a confirmed case of human infection with avian influenza a (H5N1) virus.
2011年3月25日-印度尼西亚卫生部宣布了一起新的人感染甲型H5N1禽流感病毒确诊病例。
April 2011 - The Ministry of Health of Indonesia has announced a confirmed case of human infection with avian influenza a (H5N1) virus.
2011年4月1日-印度尼西亚卫生部宣布发生了一起新的人感染甲型H5N1禽流感病毒确诊病例。
The Food and Drug Administration on Tuesday approved vaccines designed to protect against the H1N1 influenza virus, a key step before starting a vaccination campaign.
美国食品和药物管理局(FDA)周二批准了甲型H1N1流感疫苗，为开始防疫接种迈出了关键一步。
"Swine influenza" is due to a new strain of influenza a virus subtype H1N1 that contained genes most closely related to swine influenza.
“猪流感”是由于流感A型病毒(H1N1亚种)变异引起的，其中包含与猪流感病毒十分近似的基因。
"Swine influenza" is due to a new strain of influenza a virus subtype H1N1 that contained genes most closely related to swine influenza.
“猪流感”是由于流感A型病毒(H1N1亚种)变异引起的，其中包含与猪流感病毒十分近似的基因。
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