Selenium is the only nutrient element that has direct relation with viruses and the only micro-element that controlled by gene.

The use factor of inorganic selenium in soil is lowered due to its uneven distribution and damage caused by acid. It could be expressed in many facts, for example: lack of selenium in the soil, lack of selenium in the crop, lack of the selenium in the bodies of creature.

 Then, what on earth leads to the occurrence of the human high-pathogenic?

 There are two ways which have found out to leaded to the result.

In the natural word, plants are transferred into organic selenium, then Secondary transfer to organic selenium by animals, and then Organic selenium supplemented by human being. And then through counteraction that virus which excited in the human body and human body itself want to absorb the selenium, however the human body cant win, so it resulted in the deficience of the selenium in the human body, and this is a reason of the occurrence of human high-pathogenic.  

As we all known that high consumption of selenium in reproduction, that will has priority.

(Eggs are selenium rich products). So Low-pathogenic bird flu virus lodged in bird body has not enough selenium proteins in its replication due to serious lack of selenium in the host. Reproduced geneorder amino acid is short of nearly 20 points and the difference of mutation is related with the lack of 30 kinds of different. So In order to perfect themselves, Viruses deficient in selenium proteins cause damage to cells of the host, leading to the occurrence of high pathogenic bird flu. and then Human being have been in contact with or inhaled dust infected by the dejecta of animals

infected by bird flu. So it leaded to the Occurrence of human high-pathogenic.

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