Novel strains of Influenza Swine (USA) - Human case, H3N2v

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Center for Disease Control (Atlanta, USA) reported a human infection with a variant Influenza A virus of pig origin, i.e. an Influenza virus normally circulates in swine and not people.

Since 2005, 354 cases of H3N2v have been reported in the US and other variant influenza (H1N1v) have also been reported. Most of the human infections result from exposition to infected pigs and some cases of limited person-to-person spred have occured.

Human to human transmissions are closely monitored especially for variant Influenza A as pigs are known to be mixing vessels that may lead to more virulent strains for humans.

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