《英文msh词典》Influenza Viruses Type A
[同义词] Influenza Viruses Type A
[主题词] Influenza A virus
[中文释义] A型流感病毒
[英文释义] The type species of the genus INFLUENZAVIRUS A that causes INFLUENZA and other diseases in humans and animals. Antigenic variation occurs frequently between strains,allowing classification into subtypes and variants. Transmission is by aerosol (human and most non-aquatic hosts) or waterborne (ducks).