H5N1 Human Cases Bird Flu in Dairy Cows Bird Flu Outbreak Outbreaks Impact on Seabirds Avian Flu Outbreaks Symptoms Animal Species Human Infections Pigs Evolution Virus Mutation Pandemics Highly Pathogenic Avian Influenza (HPAI) H5N1 Virus Spread H5N1 Strain Human Outbreak Prevention
Recent studies reveal bird flu's evolving ability to bind to human receptors, raising concerns about potential pandemic risks.