 The pandemic virus is a type of swine influenza , derived originally from a strain which lived in pigs , and this origin gave rise to the common name of " swine flu " . This term is widely used by mass media . The virus has been found in American hogs , and Canadian as well as in hogs in Northern Ireland , Argentina , and Norway . Leading health agencies and the United States Secretary of Agriculture have stressed that eating properly cooked pork or other food products derived from pigs will not cause flu . Nevertheless , on 27 April , Azerbaijan imposed a ban on the importation of animal husbandry products from the entire Americas . The Indonesian government also halted the importation of pigs and initiated the examination of 9 million pigs in Indonesia . The Egyptian government ordered the slaughter of all pigs in Egypt on 29 April 2009 . 
