“…Following the pandemic outbreak, pdm/09-like viruses or specific antibodies have frequently been detected in pigs from many countries, highlighting the general susceptibility of pigs to this virus (5,7,11,13,15,16,19,20,22,24,26). Indeed, reassortant viruses derived from pdm/09-like and other swine influenza viruses have also been isolated from different countries (2,6,8,12,21,22,26).…”