Stock Photo: Computer graphic illustration of the Influenza A virus subtype H5N1, also known as bird flu, avian influenza, A(H5N1) or simply H5N1, is a subtype of the Influenza A virus which can cause illness in humans and many other animal species

Stock Photo: 4297-1656 Computer graphic illustration of the Influenza A virus subtype H5N1, also known as bird flu, avian influenza, A(H5N1) or simply H5N1, is a subtype of the Influenza A virus which can cause illness in humans and many other animal species