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The title of the unscientific nature of Influenza A (A type) H1N1 influenza, there is a certain unscientific nature of the title. Many people first heard there will be swine flu, and therefore had a fear of pork, and some countries also in order to prevent a large-scale swine flu began killing pigs or prohibiting the ground pork. There is no in pigs were found to have this virus, some people - especially the pig-raising industry who - for the pigs Ming Buping that the pig has been wronged. In order not to allow pigs to play the notoriety of the World Health Organization called for a while after the swine flu, called the A H1N1 influenza, it finished as the national influenza A H1N1 influenza, the media sometimes simply referred to as influenza. This referred to as highly inappropriate. Influenza viruses are divided into A, B, C (or A, B, C) into three types, one of the most common is the influenza, seasonal influenza each year most of the popular Influenza. Therefore, to this particular flu known as influenza A is not simply that it can distinguish between ordinary flu.
In the existence of two kinds of influenza virus surface protein. A way to get the blood red blood cells together, so called haemagglutinin (HA for short, or H). Another protein able to neuraminidase (a kind of sugar molecule) broken down, so they are called neuraminidase (NA for short or N). These two proteins because of exposure to the outside of an influenza virus, influenza virus enters the human body, they become the target of the immune system. If these two proteins appeared in mutation, the immune system can not identify them, influenza viruses will be able to escape to. Therefore virologist under variation of these two proteins to give further classification of influenza viruses, compiled on a different number. The influenza A H1N1 subtype of influenza is that the two figures to represent their hemagglutinin and neuraminidase type. This subtype of influenza virus is not newly discovered, resulting in 1918 ~ 1919 influenza pandemic H1N1 influenza virus subtype is. It is actually the most common subtype of influenza virus in 2006, about half of the seasonal influenza is that it caused. Therefore, it is called influenza A H1N1 influenza this flu, the same does not indicate their specificity.

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