Highly Pathogenic Avian Influenza Avian Influenza Avian Viruses Avian Influenza Viruses Transmission Pathways H5N1 H5N1 Virus H5N1 Research Avian Diseases Influenza Viruses H7N9 Virus H5N1 Avian Flu Avian Influenza Research Disease Transmission
With 70 human cases and one death confirmed, scientists urge global action to prevent potential human-to-human transmission.