Influenza A virus subtype H1N1
In virology, influenza A virus subtype H1N1 is a subtype of influenza A virus. Major outbreaks of H1N1 strains in humans include the 1918 Spanish flu pandemic, the 1977 Russian flu pandemic and the 2009 swine flu pandemic. Wikipedia
Family: Orthomyxoviridae
Class: Insthoviricetes
Genus: Alphainfluenzavirus
Kingdom: Orthornavirae
Order: Articulavirales
Phylum: Negarnaviricota
Serotype: Influenza A virus subtype H1N1