title: Why is animal influenza dangerous for humans?
mesh_terms: D000818:Animals; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology*; D009975:Orthomyxoviridae / Q000472:pathogenicity*; D009976:Orthomyxoviridae Infections / Q000453:epidemiology / Q000635:transmission / Q000662:veterinary*; D058873:Pandemics; D016865:Reassortant Viruses / Q000472:pathogenicity; D015047:Zoonoses / Q000635:transmission* / Q000821:virology*