甲型H1N1流感诊疗方案(2009年试行版第一版)（Influenza a (trial version of the first edition)）.docVIP

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甲型H1N1流感诊疗方案(2009年试行版第一版)（Influenza a (trial version of the first edition)）.doc

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甲型H1N1流感诊疗方案(2009年试行版第一版)（Influenza a (trial version of the first edition)）

甲型H1N1流感诊疗方案(2009年试行版第一版)（Influenza a (trial version of the first edition)） Influenza a (trial version of the first edition) In March 2009, an outbreak of human swine flu in Mexico caused deaths. On 30 April the world health organization (WHO) announced that it would raise the pandemic alert level to level 5. The study found that the pathogen of the outbreak, as a new type of influenza a (H1N1) virus mutated, the strain contain swine flu, avian and human influenza three influenza virus gene fragments, can travel here on earth. The WHO initially called the flu epidemic human swine flu, but has now renamed it swine flu as a deeper understanding of the nature of the outbreak. On 30 April, the ministry of health of China announced that it would be included in the class b infectious diseases stipulated in the law on the prevention and control of infectious diseases of the Peoples Republic of China. According to current information, this outbreak of influenza a (H1N1) is an acute respiratory infection caused by a new type of influenza a (H1N1) virus. Through droplets, aerosol, direct or indirect contact transmission, clinical mainly characterized by flu-like symptoms, a few cases, progress rapidly, can appear the viral pneumonia, combination of respiratory failure, multiple organ function damage, severe cases can lead to death. Since this influenza a (H1N1) is a new disease, its characteristics are still to be reviewed. I. etiology Influenza A (H1N1) is A virus (Influenza virus A) of the positive viridae family (0rthomyxoviridae). The typical virus particles are spherical with a diameter of 80nm - 120nm, with a membrane. There are a number of radiating glycoproteins in the capsule, which are hemagglutinin (HA), neuraminidase (NA) and matrix protein M2. The nucleic capsid is the nucleic capsid of the virus particle, with a spiral symmetry and a diameter of 10 nm. For single stranded RNA viruses, the genome is about 13.6 KB, consisting of eight separate pieces of varying ma