Pyburn, DaveKorslund, JohnSwenson, SabrinaTomlinson, SarahKasari, EllenVincent, AmySchiltz, John2013-07-032013-07-032012-09-15https://hdl.handle.net/11299/152005en-USswinepigherd healthNATIONAL SURVEILLANCE FOR SWINE INFLUENZA VIRUS IN THE UNITED STATES, 2009- PRESENTConference Paper