Zoonotic Diseases

H5N1 Virus Mammalian Adaptation Human Infection with Animal Viruses Human-to-Human Transmission Bird Flu One Health H5N1 Virus Characteristics H5N1 Research H5N1 Transmission Research Findings Natural Hosts Influenza A Viruses H5N1 Studies H5N1 Avian Influenza H9N2 Mutation Risks Human Health Risks H5N1 Genotypes H5N1 in Mammals Oropouche Virus Transmission West Nile Virus Rabies Virus Vector Ecology COVID-19 Transmission