pigs different from all other creatures ithat their trachea has receptors for avian, human, and swine flu viruses antigens so trnsmission of genes occure resulting in the creation of avery virulent dangerous virus which infects other mammales and transmitted between them and because of the very dirty enviroment of pigs in Egypt, it is possible to cause very serous infection without any symptoms and start a new focus of a fatal pandedmic shall we wait untill this happen?