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Influenza (flu) |
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Human Flu refers to a subset of Orthomyxoviridae that create influenza in humans and are endemic in humans. This is not a phylogenetics based taxonomic category.
The species of Orthomyxoviridae that can cause flu in humans are Influenza A virus, Influenza B virus and Influenza C virus but not all genotypes of these three species infect humans.