Topics: Infection Quiz
_________ tuberculosis is a form of the disease that develops in previously unexposed, and therefore unsensitized persons
A. latent
B. active
C. reactivated
D. primary
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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