Influenza h1n1 has recently shocked the world.A lot of innocent people has become victim to this pandemic. before we continue on, how about first we explore a little bit about this influenza. Influenza A (H1N1) virus is the common cause of influenza in human and a subtype of influenza A virus. the strain from h1n1 caused a few percent all human flu in 2004-2005.

The strain also cause a small fraction of all influenza-like illness and a small fraction of all seasonal influenza. the strain called swine flu by media has been declared the new strain of swine-origin H1N1 as a pandemic by the World Health Organization in June 2009.

There are four main sub-types of the virus, but the most recent isolated influenza viruses from pigs have been H1N1 viruses. It regularly causes high flu outbreaks in pigs but with low death rates. It is a respiratory disease of pigs caused by type A strains of the influenza virus. it does not affected human that have connection with pigs but there are also evidence that it happen during human to human connection.

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