what is meant by swine flu? swine flu is one kind of respiratory disease of pigs.swine Influenza which is only otherwise called as or also known as swine flu.The swine influenza or swine flu which is an highly contagious respiratory disease of pigs. The swine flu are one kind of viruse which can make the illness level to high and it leads to deaths for pigs.Eventhough the swine influenza virus are...