As the name suggests, the swine flu virus originated from pigs. It had caused an endemic in pigs before it found its way into humans. Those who are in close contact with pigs are at greater risk of contracting this disease.
The Swine Flu Life Cycle has seven stages through which its virus goes.
The World Health Organisation has confirmed that the Swine Flu pandemic alert is in its phase 5, i.e. rapid human-to-human transmission is taking place in the world. Lifecycle of swine flu virus, H1N1 can be initiated very easily because it is known to live outside of humans for 2 to 8 hours. It can attach itself to any surface like towel, clothes, table, doorknob or anything touched by an infected person. The infected persons need to take special prevent the spread of this infection.
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