Complete each sentence about the major characteristics of influenza virus. Influ

Question

Complete each sentence about the major characteristics of influenza virus. Influenza is a common respiratory illness caused by a virus that has a segmented RNA genome. Pandemics of influenza arise from _________ , caused by rearrangement of these RNA segments mainly in influenza ________. These segment rearrangements can create virus particles with new surface ________ producing through the viral envelope. One of these surface proteins is _________, which is important for viral binding to host cells. The other surface protein is __________, which is important for viral release from the host cell. New forms of these two surface proteins are introduced from animal _________ as well, particularly swine and fowl.

Explanation / Answer

1. Type A, Type B,Type C

2. Respiratory

3. Type A

4. Haemagglutinin (HA)

5. Neuraminidase (NA)

6. Antigenic shift

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