Influenza A virus
| Definition: |
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). |
| Notes: |
infection: coord IM with ORTHOMYXOVIRIDAE INFECTIONS (IM) or with INFLUENZA (IM); INFLUENZAVIRUS A is also available |
| Also Called: |
Influenza Virus, Equine |
| Previously Indexed: |
Orthomyxoviridae (1968-1976) |
Influenza A virus Categories.
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Influenza A Virus, Avian - Strains of INFLUENZA A VIRUS causing influenza in birds. Transmission is caused by close contact or is waterborne in aquatic species. |
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Influenza A Virus, Human - Strains of INFLUENZA A VIRUS causing influenza and sometimes pneumonia in humans. Transmission is by aerosol. |
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Influenza A Virus, Porcine - Strains of INFLUENZA A VIRUS causing influenza and pneumonia in domestic pigs. |
Influenza A virus Definitions and Terms
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