

MCQOPTIONS
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1. |
Influenza virus undergoes antigenic shift resulting in major antigenic changes by which of the following mechanisms? |
A. | Somatic recombination of heavy and light chains |
B. | Expression of several different capsule types |
C. | Changing the receptor binding canyon that docks with the host receptor |
D. | Reassortment of RNA segments from different influenza viruses |
Answer» E. | |