<prompt> Answer this question truthfullyWhat is the classification of influenza for swine?  <response>: <reason> Swine influenza may be classified according to the genera of the infective agent into either influenza A common or influenza C rare. Influenza B has not been associated with development of swine influenza.Influenza A subtypes include the following:H1N1 H1N2 H2N3 H3N1 H3N2A new strain of H1N1, AVeracruz2009, emerged in 2009 and was responsible for the 2009 swine influenza outbreak in humans.Influenza C has been described in a few case reports in the USA and Japan. Influenza C is not thought to be genetically diverse, and accordingly it has not been associated with outbreaks among humans. 