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. | |