H1N1 virus is the main cause of swine flu. The H1N1 viral strain implicated in the 2009 flu pandemic among humans often is called "swine flu" because initial testing showed many of the genes in the virus were similar to influenza viruses normally occurring in North American swine. But further detailed research has shown that the 2009 flu outbreak is due to a new strain of H1N1 which was not previously reported in pigs.
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Card Description: A collection of cartoons, jokes and images on swine flu to make your dear one smile and at the same time spread the awareness about the swine flu.
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