 [ Symptoms ] i am on medicaid because of a back disability i am 56 waiting on surgury almost a year health is worse cigna wont pay how do i get medicaid to help me still waiting for approval from cigna meantime have to take morphine to help with pain i am worse no one to help [ Disease ] this disease occurs when genes from animal influenza viruses mix with human flu viruses for example the new virus responsible for the swine flu h1n1 is believed to be a mix of pig bird avian and human flu viruses hybrid flu viruses have caused pandemics twice in the past in 1957 and 1968