Virus Transmission Zoonotic Diseases Influenza Viruses Disease Transmission Transmission Virus Variants Viral Infections Nipah Virus Avian Influenza Influenza Virus Animal Viruses Coronaviruses Human Metapneumovirus Ebola Virus Infectious Diseases Borna Virus Virus Research Virus Detection Virus Characteristics Zoonotic Pathogens Rabies Virus Viral Pathogenesis Ancient Viruses Virus Strains Animal Diseases Genome Sequencing SARS-CoV-2 Avian Viruses Disease Control Paramyxoviruses Viral Diseases Vector Biology MERS Genetic Variants Virus Types Papillomavirus Cottontail Papilloma Virus Virus Mutations Epidemic Potential Virus Samples Vector-Borne Diseases Bats H5N1 Virus Virus Classification Viruses Virus History Zika-like Viruses Filoviruses Disease Variants Virus Survival Viral Hemorrhagic Fevers Transmission Mechanisms Priority Pathogens Nipah Virus Characteristics Monkeypox Seasonal Viruses Human Viruses Transmission Methods Mutation Nipah Virus Research Virus Effects