Influenza A virus
Videos
Influenza A virus, or IAV, is a pathogen with strains that cause seasonal flu in humans; it can also infect birds and some mammals. Strains of IAV circulate constantly in bats, pigs, horses, and dogs,
Influenza A late passage
SEM image of influenza A virions infecting ciliated cells of human nasal epithelial organoid
Genetic evolution of human and swine influenza viruses, 1918–2009
Influenza A virus subtype H5N1 is a subtype of the influenza A virus that causes the disease avian influenza. It is enzootic in many bird populations, and also panzootic. A/H5N1 virus can also infect
Influenza A virus
…18 known types of hemagglutinin and 11 types of neuraminidase. Subtypes of IAV are classified by their combination of H and N proteins. For example, "H5N1" designates an influenza A subtype that has a type-5 hemagglutinin (H) protein and a type-1 neuraminidase (N) protein. By definition, the subtyping…
Colorized transmission electron micrograph of Avian influenza A H5N1 viruses
The N in H5N1 stands for "Neuraminidase", the protein depicted in this ribbon diagram.