Medical Quiz
Infection Quiz

which statement best describes antigenic drift?

A. involves major genetic rearrangement in either antigen

B. may lead ot epidemic or pandemic infection

C. minor changes in amino acids of HA or NA

D. causes both HA and NA antigens to be replaced

Select your answer:
A  B  C  D  E 


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Other quiz: EMR - Trauma

Epidermis is the:

A. tough, external layer.

B. inner layer.