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Influenza A virus
甲型流感病毒
Influenza A virus is a type of influenza virus classification, including a variety of subtypes, can infect wild birds, domesticated poultry, pigs, horses and humans and other mammals. Influenza A virus particles were spherical or filamentous, diameter of about 80-120nm, with capsule. Influenza virus structure is divided into three layers, the outermost layer of double-layer capsule; the middle layer of matrix protein M1, forming a spherical protein shell; internal nucleocapsid, was spiral symmetry, which contains nuclear protein, two Polymeric Enzyme Protein and Virus Genome Single Chain RNA. The virus surface has three protein protrusions, respectively, hemagglutinin (H), its role is like a key to help the virus to open the door of the host cell; neuraminidase (N) can destroy the cell receptor, the virus in the The host is free to spread. The classification of influenza A virus subtypes is named after both. Of which there are 16 kinds of N, H has 9 kinds of permutations and combinations, and the singular subtypes are more infectious. The history of the famous flu outbreak are caused by influenza A virus, including the Spanish flu in 1918, the Asian flu in 1957, the 1968 Hong Kong flu, the 1977 Russian flu, and the 2009 swine flu and the 2003 H5N1 Avian Influenza, 2013 Year H7N9 flu and so on. Influenza A virus subtypes are: ... 甲型流感病毒是流感病毒分类的一种，包含多种亚型，可感染野生鸟类、驯养家禽、猪、马和人等哺乳類動物。 甲型流感病毒粒子呈球形或呈丝状，直径约80-120nm，有囊膜。甲型流感病毒结构分三层，最外层为双层类脂囊膜；中间层为基质蛋白M1，形成一个球形的蛋白壳；内部为核衣壳，呈螺旋对称，其中包含核蛋白、兩种多聚酶蛋白和病毒基因组单链RNA。病毒表面有三种蛋白突起，分别为血球凝集素（H），其作用就像一把鑰匙，幫助病毒打開宿主細胞的大門；神经氨酸甘酶（N）能夠破壞細胞的受體，使病毒在宿主體內自由傳播。而甲型流感病毒亚型的分类命名即以此兩種命名。其中N共有16種,H有9種來進行排列組合，而單數的亞型傳染力又更強。 历史上著名的流感大爆发均为甲型流感病毒所致，包括1918年西班牙流感、1957年亚洲流感、1968年香港流感、1977年俄罗斯流感，以及2009年猪流感和2003年H5N1禽流感、2013年H7N9流感等。 甲型流感病毒的亚型主要有：...
Influenza A (H5N1) virus (bird flu) [1] Influenza A virus subtype H5N1 (referred to as A or H5N1), also known as H5N1 virus and H5N1 bird flu, is a highly pathogenic subtype of influenza A virus with hemagglutination Hemagglutinin type 5, neuraminidase type 1. The H5N1 virus can cause death in humans and some other animals. One H5N1 strain that spreads between birds and birds is known as the highly pathogenic avian influenza virus of type A of subtype H5N1 (HPAI A) Pathogen of H5N1 flu. The virus is highly contagious in flocks of birds, with a sudden onset, severe illness and rapid death, with a mortality rate as high as 100% and thus HPAI (highly pathogenic avian influenza). This is an animal epidemic (not transmitted between humans) and animal disease, can be spread among many species. The H5N1 virus was first clearly found in geese in Guangdong, China, in 1996. The H5N1 virus infects mainly birds and causes bird flu. When it was transmitted in Hong Kong in 1997, many farm chickens died immediately after being infected and caused the first case of H5N1 virus infection in humans, killing one kindergarten pupil. As of 25 November 2005, the world has reported 132 cases of human infection to the World Health Organization, 68 of which have been fatal and have a mortality rate of over 50%; all of these confirmed reported cases occurred in all of South East Asia (Indonesia, Vietnam, Thailand, Cambodia, mainland China). On March 9, 2006, WHO classified "H5N1 bird flu global and country map" as an infected area according to the "one China" principle. On March 10, 2006, the World Health Organization publicly stated on the 10th that Taiwan does not have any human or poultry infected with H5N1 bird flu and is not an infectious area. Influenza A virus H1N1 subtype (swine flu) The influenza A virus H1N1 subtype (referred to as A or H1N1), also known as the H1N1 virus, is one of the Influenza A viruses and one of the most commonly infected human influenza viruses. Some H1N1 species can spread from person to person, including the 1918 flu outbreak, while others can spread between birds and pigs. The new H1N1 flu (swine flu) was originally a type of infection in pigs and belongs to the type A influenza virus. The common viruses are H1N1, H1N2, H3N1 and H3N2. According to the information of the United States Bureau of Control, there were cases of human infection with swine flu in the United States. The current outbreak of swine flu in Mexico and the United States is caused by the H1N1 virus, but little is known about the new virus type that combines swine and human flu. 甲型流感 甲型流感病毒H5N1亚型（禽流感）
[1]甲型流感病毒H5N1亚型（influenza A virus subtype H5N1，记作A或H5N1），也称H5N1病毒、H5N1禽流感，是甲型流感病毒的一个高致病性亚型，具有血凝素（hemagglutinin）第5型，神经氨酸酶（neuraminidase）第1型。H5N1病毒可以导致人和一些其他的动物死亡。
有一个在鸟类及禽类间传播的H5N1毒株称为高致病性禽流感甲型流感病毒H5N1亚型（HPAI A, highly pathogeni avian influenza virus of type A of subtype H5N1），这一毒株是H5N1流感的致病源。该病毒在鸟群中的传染性很强，发病突然、病症严重、死亡快速，死亡率可高达100%，因而属于高致病性禽流感（HPAI, highly pathogeni avian influenza）。这是一种动物流行病（不在人类间传播）和动物共患病，可在很多物种间传播。
H5N1病毒是1996年首次在中国广东的家鹅中明确发现。H5N1病毒主要感染鸟类并导致禽流感。1997年在香港传播时，很多农场的鸡受感染后都即时死亡，并引发首次报告了H5N1病毒感染人类的病例，使一名幼稚园学生死亡。截至2005年11月25日，全世界已向世界卫生组织报告132例人感染病例，其中68例死亡，死亡率超过50%；这些确诊的报告病例全部发生在东南亚地区（印度尼西亚、越南、泰国、柬埔寨、中国大陆）。2006年3月9日，世界卫生组织根据“一个中国”原则将“H5N1禽流感全球及国家图”将台湾划为感染区。2006年3月10日，世界卫生组织10日公开说明，台湾没有任何人类或家禽感染H5N1禽流感病例，不是传染区。
甲型流感病毒H1N1亚型（猪流感）
甲型流感病毒H1N1亚型（记作A或H1N1），也称H1N1病毒，是甲型流感病毒的一种，也是人类最常感染的流感病毒之一。一些H1N1的种类可以在人类间传播，包括1918年的流感大爆发，另一些可在雀鸟和猪之间传播。
H1N1新型流感（猪流感）原是一种于猪只中感染的疾病，属于A型流感病毒，常见病毒为H1N1、H1N2、H3N1与H3N2。美国疾管局资料显示，美国以前即曾有人类感染猪流感之病例。目前墨西哥与美国爆发的猪流感疫情，即为H1N1病毒所引起，但目前对此种结合猪流感、人类流感的新病毒型所知不多。
Click to see the original definition of «甲型流感» in the Chinese dictionary.
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The translations of 甲型流感 from Chinese to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «甲型流感» in Chinese.
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Examples of use in the Chinese literature, quotes and news about 甲型流感
EXAMPLES
6 CHINESE BOOKS RELATING TO «甲型流感»
Discover the use of 甲型流感 in the following bibliographical selection. Books relating to 甲型流感 and brief extracts from same to provide context of its use in Chinese literature.
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流感防治全攻略
豬流感病毒 PCR 甲型流感 M 基因:陽性:表示樣本中有甲型流感病毒陰性:表示樣本中沒有流感病毒豬型甲型流感 HT 基因:陽性:表示樣本中豬流感病毒存在感染豬型甲型流感的人士'實驗室檢測結果如下:陽性:甲型流感 M 基因陽性:豬型甲型流感.
