Influenza Type A
Notes: Influenza Type A:
- Is caused by a category of the influenza virus that is characterized by specific internal proteins and further sub-grouped according to variations in two surface proteins: Hemaggluttinin (HA) and Neuraminidase (NA).
- Can be responsible for severe and potentially fatal clinical illness of both animals and humans.
- Caused the pandemic influenza infections of the 20th century.