blue avian flu virus

invertebrate populations maintained population frequently background underwater influenza panzootic affecting including jellyfish enzootic infected symptoms colorful organism subtype animals species mammals exposed isolate pattern infect humans severe design circle animal flower avian virus birds areaa cases fatal area1 coral azure blue h5n1 bird wide dark reef flu avian biology bird birdflu blue cell chicken duck flu h5n1 influenza medical medicine micro physiology pink science virus