Swine flu is spread by swine influenza virus. Its common through the world wide and it spreads by the pig population. Transmission of the virus from pig to human is not common and does not always led to human influenza. People with regular exposure to pigs are increased the risk of swine flu infection. The meat of infected swine influenza poses risk of infection when improperly cooked... read more in http://www.drsupport.in
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